{"pageNumber":"6048","pageRowStart":"151175","pageSize":"25","recordCount":184582,"records":[{"id":5221027,"text":"5221027 - 1975 - Recovery planning for the California condor","interactions":[],"lastModifiedDate":"2012-02-02T00:14:45","indexId":"5221027","displayToPublicDate":"2010-06-16T12:19:11","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2973,"text":"Outdoor California","active":true,"publicationSubtype":{"id":10}},"title":"Recovery planning for the California condor","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Outdoor California","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Wilbur, S., 1975, Recovery planning for the California condor: Outdoor California, v. 36, no. 4, p. 10-11.","productDescription":"10-11","startPage":"10","endPage":"11","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196910,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"36","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a60e4b07f02db63543e","contributors":{"authors":[{"text":"Wilbur, S.R.","contributorId":53908,"corporation":false,"usgs":true,"family":"Wilbur","given":"S.R.","email":"","affiliations":[],"preferred":false,"id":332895,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221028,"text":"5221028 - 1975 - California condor plumage and molt as field study aids","interactions":[],"lastModifiedDate":"2012-02-02T00:14:45","indexId":"5221028","displayToPublicDate":"2010-06-16T12:19:11","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1153,"text":"California Fish and Game","active":true,"publicationSubtype":{"id":10}},"title":"California condor plumage and molt as field study aids","docAbstract":"An analysis is made of the reliability of plumage and molt characteristics of the California condor for estimating age and identifying individual birds.  Neither character seems sufficiently reliable to use in more than a general way.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"California Fish and Game","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Wilbur, S., 1975, California condor plumage and molt as field study aids: California Fish and Game, v. 61, no. 3, p. 144-148.","productDescription":"144-148","startPage":"144","endPage":"148","numberOfPages":"5","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196911,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"61","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a07e4b07f02db5f94e2","contributors":{"authors":[{"text":"Wilbur, S.R.","contributorId":53908,"corporation":false,"usgs":true,"family":"Wilbur","given":"S.R.","email":"","affiliations":[],"preferred":false,"id":332896,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221091,"text":"5221091 - 1975 - Scent-marking in wolves","interactions":[],"lastModifiedDate":"2012-02-02T00:14:33","indexId":"5221091","displayToPublicDate":"2010-06-16T12:18:38","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":743,"text":"American Scientist","active":true,"publicationSubtype":{"id":10}},"title":"Scent-marking in wolves","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Scientist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"Reprinted in WOLF AND MAN, edited by Roberta L. Hall, 1978, p. 133-147.","usgsCitation":"Peters, R., and Mech, L., 1975, Scent-marking in wolves: American Scientist, v. 63, no. 6, p. 628-637.","productDescription":"628-637","startPage":"628","endPage":"637","numberOfPages":"10","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194028,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"63","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a63b2","contributors":{"authors":[{"text":"Peters, R.P.","contributorId":75237,"corporation":false,"usgs":true,"family":"Peters","given":"R.P.","email":"","affiliations":[],"preferred":false,"id":333015,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mech, L.D. 0000-0003-3944-7769","orcid":"https://orcid.org/0000-0003-3944-7769","contributorId":75466,"corporation":false,"usgs":false,"family":"Mech","given":"L.D.","email":"","affiliations":[],"preferred":false,"id":333016,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5220560,"text":"5220560 - 1975 - Unusual food items of the western diamondback rattlesnake (Crotalus atrox)","interactions":[],"lastModifiedDate":"2025-09-16T13:41:01.874624","indexId":"5220560","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3451,"text":"Southwestern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Unusual food items of the western diamondback rattlesnake (Crotalus atrox)","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Southwestern Association of Naturalists","doi":"10.2307/3670050","usgsCitation":"King, K.A., 1975, Unusual food items of the western diamondback rattlesnake (Crotalus atrox): Southwestern Naturalist, v. 20, no. 3, p. 416-417, https://doi.org/10.2307/3670050.","productDescription":"2 p.","startPage":"416","endPage":"417","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":193933,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a25e4b07f02db60ebce","contributors":{"authors":[{"text":"King, Kirke A.","contributorId":17727,"corporation":false,"usgs":true,"family":"King","given":"Kirke","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":332014,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221152,"text":"5221152 - 1975 - The occurrence and status of the horned puffin in the western United States","interactions":[],"lastModifiedDate":"2012-02-02T00:14:49","indexId":"5221152","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3743,"text":"Western Birds","active":true,"publicationSubtype":{"id":10}},"title":"The occurrence and status of the horned puffin in the western United States","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Western Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Hoffman, W., Elliot, W., and Scott, J.M., 1975, The occurrence and status of the horned puffin in the western United States: Western Birds, v. 6, no. 3, p. 87-94.","productDescription":"87-94","startPage":"87","endPage":"94","numberOfPages":"8","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197165,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16265,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/wb/v06n03/p0087-p0094.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"6","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db6494ad","contributors":{"authors":[{"text":"Hoffman, W.","contributorId":50245,"corporation":false,"usgs":true,"family":"Hoffman","given":"W.","email":"","affiliations":[],"preferred":false,"id":333146,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Elliot, W.","contributorId":13337,"corporation":false,"usgs":true,"family":"Elliot","given":"W.","email":"","affiliations":[],"preferred":false,"id":333145,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scott, J. M.","contributorId":55766,"corporation":false,"usgs":true,"family":"Scott","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333147,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5220961,"text":"5220961 - 1975 - Osprey nesting populations in the coastal Carolinas","interactions":[],"lastModifiedDate":"2012-02-02T00:14:53","indexId":"5220961","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":708,"text":"American Birds","active":true,"publicationSubtype":{"id":10}},"title":"Osprey nesting populations in the coastal Carolinas","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Henny, C.J., and Noltemeier, A., 1975, Osprey nesting populations in the coastal Carolinas: American Birds, v. 29, no. 6, p. 1073-1079.","productDescription":"1073-1079","startPage":"1073","endPage":"1079","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198751,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae5e4b07f02db68a506","contributors":{"authors":[{"text":"Henny, Charles J.","contributorId":12578,"corporation":false,"usgs":true,"family":"Henny","given":"Charles","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":332761,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Noltemeier, A.P.","contributorId":45419,"corporation":false,"usgs":true,"family":"Noltemeier","given":"A.P.","email":"","affiliations":[],"preferred":false,"id":332762,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221131,"text":"5221131 - 1975 - First nest record of the white-winged crossbill in Hispaniola","interactions":[],"lastModifiedDate":"2023-11-28T00:29:04.893393","indexId":"5221131","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1318,"text":"Condor","active":true,"publicationSubtype":{"id":10}},"title":"First nest record of the white-winged crossbill in Hispaniola","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Oxford Academic","doi":"10.2307/1365801","usgsCitation":"Kepler, A., Kepler, C.B., and Dod, A., 1975, First nest record of the white-winged crossbill in Hispaniola: Condor, v. 77, no. 2, p. 220-221, https://doi.org/10.2307/1365801.","productDescription":"2 p.","startPage":"220","endPage":"221","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197378,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fae4b07f02db5f3f23","contributors":{"authors":[{"text":"Kepler, A.K.","contributorId":89253,"corporation":false,"usgs":true,"family":"Kepler","given":"A.K.","email":"","affiliations":[],"preferred":false,"id":333106,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kepler, C. B.","contributorId":62548,"corporation":false,"usgs":true,"family":"Kepler","given":"C.","middleInitial":"B.","affiliations":[],"preferred":false,"id":333104,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dod, A.","contributorId":62708,"corporation":false,"usgs":true,"family":"Dod","given":"A.","email":"","affiliations":[],"preferred":false,"id":333105,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5220960,"text":"5220960 - 1975 - Osprey productivity during the mid-fifties in a portion of Chesapeake Bay","interactions":[],"lastModifiedDate":"2023-11-17T12:10:59.900292","indexId":"5220960","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1228,"text":"Chesapeake Science","active":true,"publicationSubtype":{"id":10}},"title":"Osprey productivity during the mid-fifties in a portion of Chesapeake Bay","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Springer","doi":"10.2307/1350901","usgsCitation":"Henny, C.J., and Stotts, V.D., 1975, Osprey productivity during the mid-fifties in a portion of Chesapeake Bay: Chesapeake Science, v. 16, no. 3, p. 219-220, https://doi.org/10.2307/1350901.","productDescription":"2 p.","startPage":"219","endPage":"220","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198750,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Chesapeake Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -77.51099220777502,\n              39.84216055553131\n            ],\n            [\n              -77.51099220777502,\n              36.50950481833419\n            ],\n            [\n              -75.13794533277505,\n              36.50950481833419\n            ],\n            [\n              -75.13794533277505,\n              39.84216055553131\n            ],\n            [\n              -77.51099220777502,\n              39.84216055553131\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae5e4b07f02db68a5da","contributors":{"authors":[{"text":"Henny, Charles J.","contributorId":12578,"corporation":false,"usgs":true,"family":"Henny","given":"Charles","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":332759,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stotts, Vernon D.","contributorId":86724,"corporation":false,"usgs":false,"family":"Stotts","given":"Vernon","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":332760,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221167,"text":"5221167 - 1975 - Endangered bird species: Report on whooping crane research and management--1974","interactions":[],"lastModifiedDate":"2012-02-02T00:14:53","indexId":"5221167","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1129,"text":"Bulletin of the International Council for Bird Preservation","active":true,"publicationSubtype":{"id":10}},"title":"Endangered bird species: Report on whooping crane research and management--1974","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the International Council for Bird Preservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Erickson, R., 1975, Endangered bird species: Report on whooping crane research and management--1974: Bulletin of the International Council for Bird Preservation, v. 12, p. 122-124.","productDescription":"122-124","startPage":"122","endPage":"124","numberOfPages":"3","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198677,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a18e4b07f02db6054d2","contributors":{"authors":[{"text":"Erickson, R.C.","contributorId":22032,"corporation":false,"usgs":true,"family":"Erickson","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":333181,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5222494,"text":"5222494 - 1975 - Brown pelicans: Improved reproduction off the southern California coast","interactions":[],"lastModifiedDate":"2026-01-22T16:03:00.747949","indexId":"5222494","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Brown pelicans: Improved reproduction off the southern California coast","docAbstract":"<p><span>Although still about 30 percent too low for population stability, productivity of California brown pelicans at their two northern colonies has improved significantly since 1971. Numbers of adults breeding probably reflect food supplies and recruitment from more successful colonies to the south, but improving fledging rates (up to 0.9 young per nest in 1974) reflect better egg survival and improving eggshell condition, with declining DDE contamination in anchovies, their major food source.</span></p>","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.1239078","usgsCitation":"Anderson, D.W., Jehl, J., Risebrough, R., Woods, L., DeWeese, L., and Edgecomb, W., 1975, Brown pelicans: Improved reproduction off the southern California coast: Science, v. 190, no. 4216, p. 806-808, https://doi.org/10.1126/science.1239078.","productDescription":"3 p.","startPage":"806","endPage":"808","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196933,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"southern California coast","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -120.36383259998814,\n              34.5710733241897\n            ],\n            [\n              -118.71830534902017,\n              32.12481410497776\n            ],\n            [\n              -117.09271001822003,\n              32.54286498812006\n            ],\n            [\n              -117.5918859259744,\n              33.90165123614959\n            ],\n            [\n              -119.03393668994079,\n              35.05362803655244\n            ],\n            [\n              -120.36383259998814,\n              34.5710733241897\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"190","issue":"4216","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a09e4b07f02db5fb134","contributors":{"authors":[{"text":"Anderson, D. W.","contributorId":48519,"corporation":false,"usgs":true,"family":"Anderson","given":"D.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":336383,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jehl, J.R. Jr.","contributorId":6820,"corporation":false,"usgs":true,"family":"Jehl","given":"J.R.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":336382,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Risebrough, R.W.","contributorId":105396,"corporation":false,"usgs":true,"family":"Risebrough","given":"R.W.","email":"","affiliations":[],"preferred":false,"id":336387,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Woods, L.A. Jr.","contributorId":88844,"corporation":false,"usgs":true,"family":"Woods","given":"L.A.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":336385,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"DeWeese, L.R.","contributorId":65116,"corporation":false,"usgs":true,"family":"DeWeese","given":"L.R.","email":"","affiliations":[],"preferred":false,"id":336384,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Edgecomb, W.G.","contributorId":95582,"corporation":false,"usgs":true,"family":"Edgecomb","given":"W.G.","email":"","affiliations":[],"preferred":false,"id":336386,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5222224,"text":"5222224 - 1975 - Reproductive biology of the band-tailed pigeon in Colorado and New Mexico","interactions":[],"lastModifiedDate":"2017-05-16T17:24:15","indexId":"5222224","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Reproductive biology of the band-tailed pigeon in Colorado and New Mexico","docAbstract":"<p>Band-tailed pigeons (<i>Columba fasciata</i>) occur in two major populations in western North America, a coastal population (<i>C. f. monilis</i>) and an interior population (<i>C. f. fasciata</i>) (A.O.U. 1957). The interior population inhabits portions of Colorado, New Mexico, Arizona, Utah, Texas, and the highlands of Mexico. This pigeon is one of several species of birds in western North America that show unseasonal and variable nesting periods (see Ligon 1971). Active nests have been found in some portion of the species' range in every month of the year (Swarth 1900, Thayer 1909, Stephens 1913, Lamb 1926, Abbott 1927, Vorhies 1928, Neff 1947, MacGregor and Smith 1955).</p><p> Although several studies of the breeding biology of the Band-tailed Pigeon have been made on the Pacific coast population (Glover 1953, MacGregor and Smith 1955, Houston 1963, March and Sadleir 1970, Zeigler 1971) few studies have been done of the interior population (Fitzhugh 1970). The breeding cycle of the interior population is poorly understood, although many observations of individual nests have been reported (Neff 1947, Fitzhugh 1970). The purpose of this study was to document the gonadal cycles of free-living Band-tailed Pigeons in Colorado and New Mexico and to study the species' photoperiod responses. From this information we have attempted to explain the normal breeding cycle of the pigeon and to explain its occasional unseasonal breeding.</p>","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4084780","usgsCitation":"Gutierrez, R.J., Braun, C., and Zapatka, T., 1975, Reproductive biology of the band-tailed pigeon in Colorado and New Mexico: The Auk, v. 92, no. 4, p. 665-677, https://doi.org/10.2307/4084780.","productDescription":"13 p.","startPage":"665","endPage":"677","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":480627,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/4084780","text":"Publisher Index Page"},{"id":199610,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"92","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a55e4b07f02db62c8ed","contributors":{"authors":[{"text":"Gutierrez, R. J.","contributorId":7647,"corporation":false,"usgs":false,"family":"Gutierrez","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":335847,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Braun, C.E.","contributorId":57421,"corporation":false,"usgs":true,"family":"Braun","given":"C.E.","email":"","affiliations":[],"preferred":false,"id":335849,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zapatka, T.P.","contributorId":15314,"corporation":false,"usgs":true,"family":"Zapatka","given":"T.P.","affiliations":[],"preferred":false,"id":335848,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5223539,"text":"5223539 - 1975 - Additional records of lizards from the Tokelau Islands, Polynesia","interactions":[],"lastModifiedDate":"2012-02-02T00:15:40","indexId":"5223539","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2334,"text":"Journal of Herpetology","active":true,"publicationSubtype":{"id":10}},"title":"Additional records of lizards from the Tokelau Islands, Polynesia","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Herpetology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Clapp, R.B., 1975, Additional records of lizards from the Tokelau Islands, Polynesia: Journal of Herpetology, v. 9, no. 4.","productDescription":"369","startPage":"369","numberOfPages":"369","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199937,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16253,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.jstor.org/stable/1562945","linkFileType":{"id":5,"text":"html"}}],"volume":"9","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db6999f8","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":338947,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223538,"text":"5223538 - 1975 - Specimens of three species of Pterodroma from the Pacific Ocean","interactions":[],"lastModifiedDate":"2012-02-02T00:15:40","indexId":"5223538","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":900,"text":"Ardea","active":true,"publicationSubtype":{"id":10}},"title":"Specimens of three species of Pterodroma from the Pacific Ocean","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ardea","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Clapp, R.B., 1975, Specimens of three species of Pterodroma from the Pacific Ocean: Ardea, v. 62, no. 3-4, p. 246-247.","productDescription":"246-247","startPage":"246","endPage":"247","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199936,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"62","issue":"3-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e2e4b07f02db5e4d5c","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":338946,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221000,"text":"5221000 - 1975 - Managing wood ducks by population units","interactions":[],"lastModifiedDate":"2012-02-02T00:14:49","indexId":"5221000","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3638,"text":"Transactions of the North American Wildlife and Natural Resources Conference","active":true,"publicationSubtype":{"id":10}},"title":"Managing wood ducks by population units","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Transactions of the North American Wildlife and Natural Resources Conference","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Bowers, E.F., and Martin, F., 1975, Managing wood ducks by population units: Transactions of the North American Wildlife and Natural Resources Conference, v. 40, p. 300-324.","productDescription":"300-324","startPage":"300","endPage":"324","numberOfPages":"25","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197248,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a82e4b07f02db64ac31","contributors":{"authors":[{"text":"Bowers, E. Frank","contributorId":106833,"corporation":false,"usgs":true,"family":"Bowers","given":"E.","email":"","middleInitial":"Frank","affiliations":[],"preferred":false,"id":332841,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Martin, F.W.","contributorId":22451,"corporation":false,"usgs":true,"family":"Martin","given":"F.W.","email":"","affiliations":[],"preferred":false,"id":332840,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5220985,"text":"5220985 - 1975 - Final summary report for cooperating woodcock hunters, 1971, 1972, 1973","interactions":[],"lastModifiedDate":"2012-02-02T00:14:46","indexId":"5220985","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3027,"text":"Pennsylvania Game News","active":true,"publicationSubtype":{"id":10}},"title":"Final summary report for cooperating woodcock hunters, 1971, 1972, 1973","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pennsylvania Game News","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Coon, R., 1975, Final summary report for cooperating woodcock hunters, 1971, 1972, 1973: Pennsylvania Game News, v. 46, no. 4, p. 41-42.","productDescription":"41-42","startPage":"41","endPage":"42","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196707,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"46","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fbe4b07f02db5f4701","contributors":{"authors":[{"text":"Coon, R.A.","contributorId":43060,"corporation":false,"usgs":true,"family":"Coon","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":332816,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223540,"text":"5223540 - 1975 - Arctic terns from the Phoenix Islands and at sea in the central Pacific","interactions":[],"lastModifiedDate":"2023-11-28T00:27:45.654728","indexId":"5223540","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1318,"text":"Condor","active":true,"publicationSubtype":{"id":10}},"title":"Arctic terns from the Phoenix Islands and at sea in the central Pacific","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Oxford Academic","usgsCitation":"Clapp, R.B., 1975, Arctic terns from the Phoenix Islands and at sea in the central Pacific: Condor, v. 77, no. 1, p. 100-100.","productDescription":"1 p.","startPage":"100","endPage":"100","numberOfPages":"1","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199938,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abee4b07f02db6746c4","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":338948,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223541,"text":"5223541 - 1975 - Status of the kokikokiko Acrocephalus aequinoctialis","interactions":[],"lastModifiedDate":"2012-02-02T00:15:40","indexId":"5223541","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1117,"text":"Bulletin of the British Ornithologists' Club","active":true,"publicationSubtype":{"id":10}},"title":"Status of the kokikokiko Acrocephalus aequinoctialis","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bulletin of the British Ornithologists' Club","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Clapp, R.B., and King, W., 1975, Status of the kokikokiko Acrocephalus aequinoctialis: Bulletin of the British Ornithologists' Club, v. 95, no. 1, p. 2-3.","productDescription":"2-3","startPage":"2","endPage":"3","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199939,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"95","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e478fe4b07f02db48a471","contributors":{"authors":[{"text":"Clapp, R. B.","contributorId":9371,"corporation":false,"usgs":true,"family":"Clapp","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":338949,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"King, W.B.","contributorId":46898,"corporation":false,"usgs":true,"family":"King","given":"W.B.","email":"","affiliations":[],"preferred":false,"id":338950,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5222912,"text":"5222912 - 1975 - The seventy-fifth Audubon Christmas bird count. Delaware, Maryland, District of Columbia, Virginia","interactions":[],"lastModifiedDate":"2012-02-02T00:14:45","indexId":"5222912","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":708,"text":"American Birds","active":true,"publicationSubtype":{"id":10}},"title":"The seventy-fifth Audubon Christmas bird count. Delaware, Maryland, District of Columbia, Virginia","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Bystrak, D., 1975, The seventy-fifth Audubon Christmas bird count. Delaware, Maryland, District of Columbia, Virginia: American Birds, v. 29, no. 2, p. 164-165.","productDescription":"164-165","startPage":"164","endPage":"165","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197390,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a62e4b07f02db6366bd","contributors":{"authors":[{"text":"Bystrak, D.","contributorId":58220,"corporation":false,"usgs":true,"family":"Bystrak","given":"D.","email":"","affiliations":[],"preferred":false,"id":337435,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221350,"text":"5221350 - 1975 - Studies on combined effects of organophosphates and heavy metals in birds. I. Plasma and brain cholinesterase in Coturnix quail fed methyl mercury and orally dosed with parathion","interactions":[],"lastModifiedDate":"2023-11-01T12:16:03.717182","indexId":"5221350","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Studies on combined effects of organophosphates and heavy metals in birds. I. Plasma and brain cholinesterase in Coturnix quail fed methyl mercury and orally dosed with parathion","docAbstract":"We found that mercury potentiated the toxicity and biochemical effects of parathion. Male Coturnix quail (Coturnix coturnix japonica) were fed a sublethal concentration of morsodren (4 ppm as methyl mercury) for 18 weeks. This resulted in an accumulation of 21.0 ppm of mercury in the liver and 8.4 ppm in the carcass. Birds fed clean feed and those fed morsodren-treated feed were orally dosed with 2, 4, 6, 8,and 10 mg/kg parathion, and their 48-h survival times compared. The computed LD50 was 5.86mg/kg in birds not fed morsodren and 4.24 in those fed the heavy metal. When challenged with a sublethal, oral dose of parathion (1.0 mg/kg), morsodren-fed birds exhibited significantly greater inhibition of plasma and brain cholinesterase activity than controls dosed with parathion. Brain cholinesterase activity was inhibited 41% in morsodren-fed birds and 26in clean-fed birds dosed with parathion, which suggested that the increase in parathion toxicity in the presence of morsodren was directly related to the inhibitation of brain cholinesterase.","language":"English","publisher":"Springer","doi":"10.1007/BF01685332","issn":"00074861","usgsCitation":"Dieter, M.P., and Ludke, J., 1975, Studies on combined effects of organophosphates and heavy metals in birds. I. Plasma and brain cholinesterase in Coturnix quail fed methyl mercury and orally dosed with parathion: Bulletin of Environmental Contamination and Toxicology, v. 13, no. 3, p. 257-262, https://doi.org/10.1007/BF01685332.","productDescription":"6 p.","startPage":"257","endPage":"262","numberOfPages":"6","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197799,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699d8d","contributors":{"authors":[{"text":"Dieter, M. P.","contributorId":89626,"corporation":false,"usgs":true,"family":"Dieter","given":"M.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":333615,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ludke, J. Larry","contributorId":29033,"corporation":false,"usgs":true,"family":"Ludke","given":"J. Larry","affiliations":[],"preferred":false,"id":333614,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221353,"text":"5221353 - 1975 - Residues of organochlorine pesticides and polychlorinated biphenyls and autopsy data for bald eagles, 1971-72","interactions":[],"lastModifiedDate":"2013-03-20T12:39:11","indexId":"5221353","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3038,"text":"Pesticides Monitoring Journal","onlineIssn":" 0031-615","printIssn":" 0031-615","active":true,"publicationSubtype":{"id":10}},"title":"Residues of organochlorine pesticides and polychlorinated biphenyls and autopsy data for bald eagles, 1971-72","docAbstract":"Thirty-seven bald eagles found sick or dead in 18 States during 1971-72 were analyzed for organochlorine pesticides and polychlorinated biphenyls (PCB's). DDE and PCB's were detected in all bald eagle carcasses; 30 carcasses contained DDD and 28 contained dieldrin. Four eagles contained possibly lethal levels of dieldrin and nine eagles had been poisoned by thallium. Autopsies revealed that illegal shooting was the most common cause of mortality. Since 1964 when data were first collected, 8 of the 17 eagles obtained from Maryland, Virginia, South Carolina, and Florida possibly died from dieldrin poisoning; all four specimens from Maryland and Virginia were from the Chesapeake Bay Tidewater area.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pesticides Monitoring Journal","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Cromartie, E., Reichel, W.L., Locke, L.N., Belisle, A.A., Kaiser, T., Lamont, T.G., Mulhern, B., Prouty, R.M., and Swineford, D.M., 1975, Residues of organochlorine pesticides and polychlorinated biphenyls and autopsy data for bald eagles, 1971-72: Pesticides Monitoring Journal, v. 9, no. 1, p. 11-14.","productDescription":"11-14","startPage":"11","endPage":"14","numberOfPages":"4","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196694,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269733,"type":{"id":11,"text":"Document"},"url":"https://biodiversitylibrary.org/page/26095865"}],"volume":"9","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a562b","contributors":{"authors":[{"text":"Cromartie, E.","contributorId":13926,"corporation":false,"usgs":true,"family":"Cromartie","given":"E.","email":"","affiliations":[],"preferred":false,"id":333620,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reichel, W. L.","contributorId":50482,"corporation":false,"usgs":true,"family":"Reichel","given":"W.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":333622,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Locke, L. N.","contributorId":73539,"corporation":false,"usgs":true,"family":"Locke","given":"L.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333624,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Belisle, A. A.","contributorId":77897,"corporation":false,"usgs":true,"family":"Belisle","given":"A.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":333626,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kaiser, T. E.","contributorId":75486,"corporation":false,"usgs":true,"family":"Kaiser","given":"T. E.","affiliations":[],"preferred":false,"id":333625,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lamont, T. G.","contributorId":51252,"corporation":false,"usgs":true,"family":"Lamont","given":"T.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":333623,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Mulhern, B.M.","contributorId":98683,"corporation":false,"usgs":true,"family":"Mulhern","given":"B.M.","email":"","affiliations":[],"preferred":false,"id":333627,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Prouty, R. M.","contributorId":31349,"corporation":false,"usgs":true,"family":"Prouty","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333621,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Swineford, D. M.","contributorId":106839,"corporation":false,"usgs":true,"family":"Swineford","given":"D.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333628,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":5221344,"text":"5221344 - 1975 - Impacts of chemicals on waterfowl reproduction and survival","interactions":[],"lastModifiedDate":"2012-02-02T00:15:01","indexId":"5221344","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2092,"text":"International Waterfowl Symposium","active":true,"publicationSubtype":{"id":10}},"title":"Impacts of chemicals on waterfowl reproduction and survival","docAbstract":"Residues of organochlorine pesticides, PCB's, heavy metals, and other toxic chemicals are ubiquitous in the biosphere and are commonly found in tissues and eggs of wild birds.  This paper reviews research on the effects of these chemicals, with particular reference to waterfowl.  Extensive mortality of waterfowl has occurred in the Gulf Coast region as a result of ingestion of aldrin-treated rice seed. Populations of fulvous tree ducks (Dendrocygna bicolor) have declined in recent years in that area.      DDE impaired reproduction of both mallards (Anas platyrhynchos) and black ducks (Arias rubripes) in experimental studies, resulting in thin shells, cracked eggs, and poor hatching success.  Eggs incubated by the hens broke and cracked more frequently than those in incubators. In the field, residues are higher in ducks that feed on animal material than in vegetarians; differences are pronounced both geographically and among species.      Mercury at levels that occur in certain heavily polluted areas in the United States and Canada has, in experimental studies, lowered the reproductive success of mallards and black ducks and reduced the survival of ducklings.  Oil spills have killed many waterfowl as a result of oiled feathers and the intake of oil and more indirect physiological effects have been shown experimentally.  Pollutants may affect waterfowl indirectly by changing the habitat and directly as a result of intake of toxic substances.  They are unlikely to have been directly limiting factors in populations of such species as mallards.  Their involvement with problem of other species, including canvasbacks (Aythya valisineria) and mergansers has still to be explored.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Waterfowl Symposium","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"White, D.H., and Stickel, L., 1975, Impacts of chemicals on waterfowl reproduction and survival: International Waterfowl Symposium, v. 1, p. 132-142.","productDescription":"132-142","startPage":"132","endPage":"142","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198333,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a04e4b07f02db5f856d","contributors":{"authors":[{"text":"White, Donald H.","contributorId":97868,"corporation":false,"usgs":true,"family":"White","given":"Donald","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":333601,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stickel, L.F.","contributorId":41095,"corporation":false,"usgs":true,"family":"Stickel","given":"L.F.","email":"","affiliations":[],"preferred":false,"id":333600,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5221352,"text":"5221352 - 1975 - A device for inspecting nest cavities","interactions":[],"lastModifiedDate":"2023-11-03T11:48:50.150918","indexId":"5221352","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1054,"text":"Bird-Banding","active":true,"publicationSubtype":{"id":10}},"title":"A device for inspecting nest cavities","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Association of Field Ornithologists","doi":"10.2307/4512115","usgsCitation":"DeWeese, L., Pillmore, R., and Richmond, M., 1975, A device for inspecting nest cavities: Bird-Banding, v. 46, no. 2, p. 163-165, https://doi.org/10.2307/4512115.","productDescription":"3 p.","startPage":"163","endPage":"165","numberOfPages":"3","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196626,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"46","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b25e4b07f02db6aee0b","contributors":{"authors":[{"text":"DeWeese, L.R.","contributorId":65116,"corporation":false,"usgs":true,"family":"DeWeese","given":"L.R.","email":"","affiliations":[],"preferred":false,"id":333618,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pillmore, R.E.","contributorId":61533,"corporation":false,"usgs":true,"family":"Pillmore","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":333617,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Richmond, M.L.","contributorId":72085,"corporation":false,"usgs":true,"family":"Richmond","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":333619,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5222895,"text":"5222895 - 1975 - Ten new early winter distribution maps from Christmas bird count data","interactions":[],"lastModifiedDate":"2012-02-02T00:14:43","indexId":"5222895","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":708,"text":"American Birds","active":true,"publicationSubtype":{"id":10}},"title":"Ten new early winter distribution maps from Christmas bird count data","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Bystrak, D., and Drennan, S., 1975, Ten new early winter distribution maps from Christmas bird count data: American Birds, v. 29, no. 2, p. 603-611.","productDescription":"603-611","startPage":"603","endPage":"611","numberOfPages":"9","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197630,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad9e4b07f02db685277","contributors":{"authors":[{"text":"Bystrak, D.","contributorId":58220,"corporation":false,"usgs":true,"family":"Bystrak","given":"D.","email":"","affiliations":[],"preferred":false,"id":337412,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Drennan, S.R.","contributorId":93588,"corporation":false,"usgs":true,"family":"Drennan","given":"S.R.","email":"","affiliations":[],"preferred":false,"id":337413,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5220566,"text":"5220566 - 1975 - Incubation by a male fulvous tree duck","interactions":[],"lastModifiedDate":"2012-02-02T00:14:42","indexId":"5220566","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3783,"text":"The Wilson Bulletin","printIssn":"0043-5643","active":true,"publicationSubtype":{"id":10}},"title":"Incubation by a male fulvous tree duck","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wilson Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Flickinger, E.L., 1975, Incubation by a male fulvous tree duck: The Wilson Bulletin, v. 87, no. 1, p. 106-107.","productDescription":"106-107","startPage":"106","endPage":"107","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197033,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16260,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/Wilson/v087n01/p0106-p0107.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"87","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fae4b07f02db5f43b2","contributors":{"authors":[{"text":"Flickinger, Edward L.","contributorId":48907,"corporation":false,"usgs":true,"family":"Flickinger","given":"Edward","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":332027,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223475,"text":"5223475 - 1975 - Plumage variation in the masked bobwhite","interactions":[],"lastModifiedDate":"2023-11-28T00:30:26.670851","indexId":"5223475","displayToPublicDate":"2010-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1318,"text":"Condor","active":true,"publicationSubtype":{"id":10}},"title":"Plumage variation in the masked bobwhite","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Oxford Academic","doi":"10.2307/1366099","usgsCitation":"Banks, R., 1975, Plumage variation in the masked bobwhite: Condor, v. 77, no. 4, p. 486-487, https://doi.org/10.2307/1366099.","productDescription":"2 p.","startPage":"486","endPage":"487","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199782,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad9e4b07f02db684d3f","contributors":{"authors":[{"text":"Banks, R.C.","contributorId":20440,"corporation":false,"usgs":true,"family":"Banks","given":"R.C.","affiliations":[],"preferred":false,"id":338832,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
]}