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Indeed, it is a new era for improved techniques to assist in management of our fish and wildlife resources for the maximum benefit of all. In some cases, the new techniques are primarily used in research.on fish and wildlife, and the results from the research are used to aid management and enforcement agencies in the decision-making process. One of the newer techniques that is being applied to problems in fisheries and wildlife is electrophoresis. 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Canvasback--King of the bay. Part IV","interactions":[],"lastModifiedDate":"2012-02-02T00:14:51","indexId":"5220919","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1408,"text":"Ducks Unlimited","active":true,"publicationSubtype":{"id":10}},"title":"Looking out for the canvasback. Canvasback--King of the bay. Part IV","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ducks Unlimited","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"1632_Perry.pdf","usgsCitation":"Perry, M., 1974, Looking out for the canvasback. Canvasback--King of the bay. Part IV: Ducks Unlimited, v. 38, no. 6, p. 21-22,.","productDescription":"21-22, 25-27","startPage":"21","endPage":"22,","numberOfPages":"-20","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197090,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6fe4b07f02db640acf","contributors":{"authors":[{"text":"Perry, Matthew C. 0000-0001-6452-9534","orcid":"https://orcid.org/0000-0001-6452-9534","contributorId":16372,"corporation":false,"usgs":true,"family":"Perry","given":"Matthew C.","affiliations":[],"preferred":false,"id":332683,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5220884,"text":"5220884 - 1974 - The season--October, November, December, 1973","interactions":[],"lastModifiedDate":"2012-02-02T00:14:45","indexId":"5220884","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2687,"text":"Maryland Birdlife","active":true,"publicationSubtype":{"id":10}},"title":"The season--October, November, December, 1973","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Maryland Birdlife","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Robbins, C., 1974, The season--October, November, December, 1973: Maryland Birdlife, v. 30, no. 1, p. 37-46.","productDescription":"37-46","startPage":"37","endPage":"46","numberOfPages":"10","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196845,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a68e4b07f02db63b18a","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":332641,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5221113,"text":"5221113 - 1974 - The Eastern timber wolf","interactions":[],"lastModifiedDate":"2012-02-02T00:14:50","indexId":"5221113","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":720,"text":"American Forests","active":true,"publicationSubtype":{"id":10}},"title":"The Eastern timber wolf","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Forests","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Mech, L., 1974, The Eastern timber wolf: American Forests, v. 80, no. 9, p. 46-47.","productDescription":"46-47","startPage":"46","endPage":"47","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197257,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"80","issue":"9","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afbe4b07f02db69608f","contributors":{"authors":[{"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":333051,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5221043,"text":"5221043 - 1974 - Subspecific identification of song sparrows collected at Raleigh, N.C.,in summer of 1967","interactions":[],"lastModifiedDate":"2012-02-02T00:14:49","indexId":"5221043","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1207,"text":"Chat","active":true,"publicationSubtype":{"id":10}},"title":"Subspecific identification of song sparrows collected at Raleigh, N.C.,in summer of 1967","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Chat","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Sykes, P., and Laybourne, R., 1974, Subspecific identification of song sparrows collected at Raleigh, N.C.,in summer of 1967: Chat, v. 38, no. 3.","productDescription":"77","startPage":"77","numberOfPages":"77","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197174,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699b17","contributors":{"authors":[{"text":"Sykes, P.W. Jr.","contributorId":107385,"corporation":false,"usgs":true,"family":"Sykes","given":"P.W.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":332922,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Laybourne, R.C.","contributorId":83225,"corporation":false,"usgs":true,"family":"Laybourne","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":332921,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5221029,"text":"5221029 - 1974 - The status of the light-footed clapper rail","interactions":[],"lastModifiedDate":"2012-02-02T00:14:40","indexId":"5221029","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","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 status of the light-footed clapper rail","docAbstract":"Only 12 California marsh areas are presently believed to be inhabited by the Light-footed Clapper Rail, and eight of these appear to support only 5-15 birds apiece. Tentative estimates for the other four are: Anaheim Bay 200, Upper Newport 30-35, Los Penasquitos 30, and Tijuana Estuary 150. These estimates, admittedly very rough, indicate a total Light-footed Rail population on only about 500 birds. Recognizing that rails are secretive and hard to inventory, the actual count could be somewhat higher, but I feel it is most unlikely that the number could be more than 750 birds altogether. Reductions in Light-footed Clapper Rail populations can be attributed almost entirely to loss of habitat. An estimated 26,000 acres of saltmarsh once existed between Santa Barbara and the Mexican border. At present there are approximately 8500 acres, much of which has been degraded by pollution, water diversion, and restriction of tidal flow. Of those areas currently occupied by Clapper Rails, few can be considered to have a very secure future. Of the four major areas only Anaheim Bay appears to be relatively safe from future habitat destruction. Tijuana Estuary, Los Penasquitos Lagoon, and Upper Newport Bay are all threatened by commercial developments that could reduce or destroy local rail populations. I have not visited Baja California, but I believe there is still a substantial population of Clapper Rails in the marshes around San Quintin Bay. Taxonomists do not agree on the subspecific identity of these birds, but some feel they are representatives of the Light-footed race. If so, it is fortunate to have a relatively secure (for now) reservoir of these birds, but whether the Light-footed Clapper Rail survives within the United States may well be decided within the next few years.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Wilbur, S., 1974, The status of the light-footed clapper rail: American Birds, v. 28, no. 5, p. 868-870.","productDescription":"868-870","startPage":"868","endPage":"870","numberOfPages":"3","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194134,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"28","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a5349","contributors":{"authors":[{"text":"Wilbur, S.R.","contributorId":53908,"corporation":false,"usgs":true,"family":"Wilbur","given":"S.R.","email":"","affiliations":[],"preferred":false,"id":332897,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5224548,"text":"5224548 - 1974 - Capture-recapture analysis of a wintering black-capped chickadee population in Connecticut, 1958-1993","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224548","displayToPublicDate":"2010-06-16T12:17:58","publicationYear":"1974","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":"Capture-recapture analysis of a wintering black-capped chickadee population in Connecticut, 1958-1993","docAbstract":"We investigated the dynamics of a wintering population of Black-capped Chickadees (Parus atricapillus) using data from a long-term capture-recapture study. Goodness-of-fit and likelihood-ratio tests indicated that the standard Jolly-Seber model was inadequate for the data, so we explored different parameterizations of a model in which survival probability for new captures differed from that of previously marked birds. One possible explanation for the lower local survival rate of new captures is that some of the birds were transients that had no chance of being recaptured. Average survival probability over the entire period was 0.62, and the estimated fraction of transients among unmarked birds was 0.27. We found evidence that chickadee survival rates were lower in years immediately following establishment of the Tufted Titmouse (Parus bicolor) as a territorial species (after 1967) than during years immediately preceding this event. We found no evidence that chickadee survival rates were lower in the years immediately following establishment of territorial raptors (after 1984) than during preceding years. Evidence suggested a long-term decline in survival probability from 1959 to 1991.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Birds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Robbins, C., 1974, Capture-recapture analysis of a wintering black-capped chickadee population in Connecticut, 1958-1993: American Birds, v. 28, no. 2, p. 273-274.","productDescription":"273-274","startPage":"273","endPage":"274","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202774,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":15893,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/Auk/v114n03/p0431-p0442.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"28","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e6e4b07f02db5e71d2","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":341954,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5221204,"text":"5221204 - 1974 - Aspergillosis in a royal tern from Cape Romain National Wildlife Refuge, South Carolina","interactions":[],"lastModifiedDate":"2012-02-02T00:14:51","indexId":"5221204","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1207,"text":"Chat","active":true,"publicationSubtype":{"id":10}},"title":"Aspergillosis in a royal tern from Cape Romain National Wildlife Refuge, South Carolina","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Chat","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Locke, L.N., Blus, L.J., and Cromartie, E., 1974, Aspergillosis in a royal tern from Cape Romain National Wildlife Refuge, South Carolina: Chat, v. 38, no. 1, p. 24-25.","productDescription":"24-25","startPage":"24","endPage":"25","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197273,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abbe4b07f02db672b78","contributors":{"authors":[{"text":"Locke, L. N.","contributorId":73539,"corporation":false,"usgs":true,"family":"Locke","given":"L.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333286,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Blus, L. J.","contributorId":38116,"corporation":false,"usgs":true,"family":"Blus","given":"L.","middleInitial":"J.","affiliations":[],"preferred":false,"id":333285,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cromartie, E.","contributorId":13926,"corporation":false,"usgs":true,"family":"Cromartie","given":"E.","email":"","affiliations":[],"preferred":false,"id":333284,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5221214,"text":"5221214 - 1974 - Effects of dietary mercury and lead on eggshell thickness in mallards","interactions":[],"lastModifiedDate":"2023-11-01T12:01:08.397383","indexId":"5221214","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","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":"Effects of dietary mercury and lead on eggshell thickness in mallards","docAbstract":"No abstract available.
","language":"English","publisher":"Springer","doi":"10.1007/BF01685020","usgsCitation":"Haegele, M.A., Tucker, R.K., and Hudson, R.H., 1974, Effects of dietary mercury and lead on eggshell thickness in mallards: Bulletin of Environmental Contamination and Toxicology, v. 11, no. 1, p. 5-11, https://doi.org/10.1007/BF01685020.","productDescription":"7 p.","startPage":"5","endPage":"11","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196980,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2fe4b07f02db615fc7","contributors":{"authors":[{"text":"Haegele, M. A.","contributorId":107010,"corporation":false,"usgs":true,"family":"Haegele","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":333309,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tucker, R. K.","contributorId":96383,"corporation":false,"usgs":true,"family":"Tucker","given":"R.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":333308,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hudson, R. H.","contributorId":29534,"corporation":false,"usgs":true,"family":"Hudson","given":"R.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":333307,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5220965,"text":"5220965 - 1974 - Range expansion and population increase of the gadwall in eastern North America","interactions":[],"lastModifiedDate":"2012-02-02T00:14:40","indexId":"5220965","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3764,"text":"Wildfowl","onlineIssn":"2052-6458","printIssn":"0954-6324","active":true,"publicationSubtype":{"id":10}},"title":"Range expansion and population increase of the gadwall in eastern North America","docAbstract":"A disjunct breeding population of Gadwall in eastern North America was first recorded in 1939 This population has extended its range during recent years to the point where it is now found breeding in more than thirty locations (primarily National Wildlife Refuges and Wildlife Management Areas). These are 1,600-2,000 km (1,000-1,200 miles) from the main breeding range in the west and midwest. The number of breeding birds and the harvest have both increased during the last decade. Approximately 40,000 Gadwall were harvested in the northern portion of the Atlantic Flyway between 1961 and 1970. The impoundment of water seems to be responsible for the increase, providing focal points for nesting activities,","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wildfowl","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Henny, C.J., and Holgersen, N., 1974, Range expansion and population increase of the gadwall in eastern North America: Wildfowl, v. 25, p. 95-101.","productDescription":"95-101","startPage":"95","endPage":"101","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194133,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db649500","contributors":{"authors":[{"text":"Henny, Charles J.","contributorId":12578,"corporation":false,"usgs":true,"family":"Henny","given":"Charles","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":332774,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Holgersen, N.E.","contributorId":10889,"corporation":false,"usgs":true,"family":"Holgersen","given":"N.E.","email":"","affiliations":[],"preferred":false,"id":332773,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5222376,"text":"5222376 - 1974 - The new town bird quadrille","interactions":[],"lastModifiedDate":"2012-02-02T00:15:37","indexId":"5222376","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2825,"text":"Natural History","active":true,"publicationSubtype":{"id":10}},"title":"The new town bird quadrille","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Natural History","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Geis, A.D., 1974, The new town bird quadrille: Natural History, v. 83, no. 6, p. 54-60.","productDescription":"54-60","startPage":"54","endPage":"60","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199497,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"83","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b46dd","contributors":{"authors":[{"text":"Geis, A. D.","contributorId":72885,"corporation":false,"usgs":true,"family":"Geis","given":"A.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":336187,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5222378,"text":"5222378 - 1974 - Progress report on the North American Breeding Bird Survey","interactions":[],"lastModifiedDate":"2012-02-02T00:14:42","indexId":"5222378","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":641,"text":"Acta Ornithologica","active":true,"publicationSubtype":{"id":10}},"title":"Progress report on the North American Breeding Bird Survey","docAbstract":"The Breeding Bird Survey has been monitoring bird population changes in the U.S.A. and Canada since 1966. Each cooperator makes 50 3-minute stops at 0.8-km intervals along randomly selected roadside routes in 4 to 4 1/2 hours on one morning in June of each year. Data from the 1500 to 1600 routes are entered on magnetic tape, edited for accuracy, and then used for statistical analysis of population change at four geographic levels: physiographic region; state or province; region (eastern, central and western); and the continent. Examples of use of the data are: (1) detection of year-to-year changes in continental or rcgional populations; (2) use of population indices to show long-term population changes; (3) range expansion and contraction at the state level, including some of the reasons for those changes and documenting the associated population shifts within the original range; (4) mapping distribution and relative abundance on either a state, regional or continental scale; (5) mapping changes in abundance; and(6) comparing breeding with winter distribution. Future potential uses will include estimates of total continental populations and indices of environmental quality.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Acta Ornithologica","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"Proceedings of the fourth meeting of the International Bird Census Committee and second meeting of the European Ornithological Atlas Committee / editors, J. Pinowski and K. Williamson, held 1972, Warsaw, Poland","usgsCitation":"Robbins, C., and Van Velzen, W., 1974, Progress report on the North American Breeding Bird Survey: Acta Ornithologica, v. 14, no. 8, p. 170-191.","productDescription":"170-191","startPage":"170","endPage":"191","numberOfPages":"22","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197538,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9be4b07f02db65dce1","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":336190,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Van Velzen, W.T.","contributorId":72080,"corporation":false,"usgs":true,"family":"Van Velzen","given":"W.T.","email":"","affiliations":[],"preferred":false,"id":336191,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5222231,"text":"5222231 - 1974 - Breeding red-winged blackbirds in captivity","interactions":[],"lastModifiedDate":"2017-05-17T09:50:00","indexId":"5222231","displayToPublicDate":"2010-06-16T12:17:57","publicationYear":"1974","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":"Breeding red-winged blackbirds in captivity","docAbstract":"Ability to establish and maintain self-sustaining breeding colonies of captive Red-winged Blackbirds (Agelaius phoeniceus) would facilitate long-term studies designed to develop methods for alleviating blackbird depredations as well as provide basic life history data. To be most useful, the colonies should be established in pens near laboratory facilities; this frequently involves putting colonies in unnatural nesting habitat. This paper describes a 5-year effort at Gainesville, Florida, to induce captive Red-wings, most of them taken from the wild as nestlings and then hand-reared in our laboratory, to breed regularly under such conditions.
Except for an undocumented report of two young fully reared at the London Zoo in 1913 (Prestwick per. comm.), captive Red-wings have not been induced to breed successfully under avicultural conditions. In 1969, captive Red-wings, wild-trapped as adults, were induced to breed and to rear young successfully in large pens over normal marsh and hayfield nesting habitat in Ohio (Jackson pers. comm.). Earlier, a pair of Red-wings that had been caught as adults and kept together for a year hatched two young in a 40- X 20- X 6-foot cage in Massachusetts (Wetherbee 1960, Wilson Bull. 74: 90), but the nestlings died soon after hatching.
","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4084732","usgsCitation":"Know, C., and Stickley, A., 1974, Breeding red-winged blackbirds in captivity: The Auk, v. 91, no. 4, p. 808-816, https://doi.org/10.2307/4084732.","productDescription":"9 p.","startPage":"808","endPage":"816","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":480641,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/4084732","text":"Publisher Index Page"},{"id":199689,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"91","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb40f","contributors":{"authors":[{"text":"Know, C.J.","contributorId":31871,"corporation":false,"usgs":true,"family":"Know","given":"C.J.","email":"","affiliations":[],"preferred":false,"id":335861,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stickley, A.R. Jr.","contributorId":14538,"corporation":false,"usgs":true,"family":"Stickley","given":"A.R.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":335860,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}