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Page 4134, results 103326 - 103350

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The taxonomic status of the white-tailed kite
W.S. Clark, R.C. Banks
1992, The Wilson Bulletin (104) 571-579
The White-tailed Kite (Elanus leucurus) of the Americas has been merged with the Black-shouldered (or Black-winged) Kite (E. caeruleus) of the Old World and the Australian Black-shouldered Kite (E. axillaris) by North American authorities (but not elsewhere), primarily because of similarity in plumage. However, American kites differ from Old World...
Constraints on productivity of wild Nene or Hawaiian geese Branta sandvicensis
P.C. Banko
1992, Wildfowl (43) 99-106
I investigated constraints on the productivity of wild Nene on Hawaii and Maui during 1978-81. These populations were composed largely of captive-reared birds. Recruitment of young was low. Of 140 breeding attempts, 36% resulted in successful nests and 7% produced fledglings. Annual productivity was limited...
Distribution and color variation of gyrfalcons in Russia
D. H. Ellis, Catherine H. Ellis, G.W. Pendleton, A.V. Panteleyev, I.V. Rebrova, Y.M. Markin
1992, Journal of Raptor Research (26) 81-88
Gyrfalcon (Falco rusticolus) museum specimens in Moscow (73) and St. Petersburg (132) were divided into four color classes (gray, light gray, white gray, and white) and four longitudinal belts representing major physiographic regions of northern Russia. Gray variants predominated in the west and central regions. White birds were most common...
Distribution of Ixodes dammini (Acari: Ixodidae) in residential lawns on Prudence Island, Rhode Island
M.C. Carroll, H. S. Ginsberg, K.E. Hyland, Renjie Hu
1992, Journal of Medical Entomology (29) 1052-1055
The distribution of nymphal Ixodes dammini Spielman, Clifford, Piesman & Corwin in residential lawns was assessed by flagging on Prudence Island, RI. The number of ticks per sample was five times greater in lawns adjacent to woods than in lawns adjacent to other lawns. Relative tick abundance was negatively correlated with distance...
Selection of wolf dens in relation to winter territories in northeastern Minnesota
P. Ciucci, L.D. Mech
1992, Journal of Mammalogy (73) 899-905
Locations of wolf (Canus lupus) dens in the Superior National Forest in northeastern Minnesota from 1969 through 1988 were analyzed in relation to winter territories. Dens situated within the central 60% of the territories were randomly located relative to territory centers. However, only 10.5% (2) of the dens were...
The safety and physiologic effects of the anticoccidial drugs monensin and clazuril in sandhill cranes (Grus canadensis)
J. W. Carpenter, M.N. Novilla, Jeff S. Hatfield
1992, Journal of Zoo and Wildlife Medicine (23) 214-221
Because crane chick mortality from disseminated visceral coccidiosis (DVC) at the Patuxent Wildlife Research Center increased in 1988, suggesting that the parasite may be developing a resistance to amprolium, a target animal safety study using coccidiostats, monensin and clazuril, was conducted on 27 subadult sandhill cranes....
Determination of hatching date for eggs of black-crowned night-herons, snowy egrets and great egrets
T. W. Custer, G.W. Pendleton, R.W. Roach
1992, Journal of Field Ornithology (63) 145-154
Flotation of eggs in water and specific gravity of eggs of Black-crowned Night-Herons (Nycticorax nycticorax), Snowy Egrets (Egretta thula) and Great Egrets (Casmerodius albus) were evaluated as methods to determine date of hatching. Length of incubation and duration of hatching period were also documented for each species. Although species gravity...
Uptake of environmental contaminants by small mammals in pickleweed habitats at San Francisco Bay, California
D. R. Clark Jr., K.S. Foerster, C. M. Marn, R. L. Hothem
1992, Archives of Environmental Contamination and Toxicology (22) 389-396
Small mammals were live-trapped in pickleweed (Salicornia virginica) habitats near San Francisco Bay, California in order to measure the uptake of several contaminants and to evaluate the potential effects of these contaminants on the endangered salt marsh harvest mouse (Reithrodontomys raviventris). Tissues of house mice (Mus musculus), deer mice (Peromyscus...
Fifty-fifth Christmas Bird Count. 159. Ocean City, Md
C.J. Pennycuick, C.E. Heine, S.J. Kirkpatrick, M.R. Fuller
1992, Journal of Experimental Biology (165) 1-19
The distribution of dynamic pressure behind a Harris' hawk's wing was sampled using a wake rake consisting of 15 pitot tubes and one static tube. The hawk was holding on to a perch, but at an air speed and gliding angle at which it was capable of gliding. The perch...
Variations in the fine-scale composition of a central Pacific ferromanganese crust: Paleoceanographic implications
J.R. Hein, W.A. Bohrson, M. S. Schulz, M. Noble, D.A. Clague
1992, Paleoceanography and Paleoclimatology (7) 63-77
A 47- to 60-mm-thick Fe-Mn crust from Horizon Guyot (water depth 1800–1780 m), central Pacific, was used to evaluate the potential of crusts as recorders of Neogene paleoceanographic and paleoclimatic conditions. The chemical composition was determined by microprobe for 16 elements from a polished thin section. Three analyses were made...
Trends and management of wolf-livestock conflicts in Minnesota
S. H. Fritts, W.J. Paul, L.D. Mech, D.P. Scott
1992, Resource Publication 181
The nature and extent of wolf-livestock conflicts in Minnesota during 1975-86 was studied as part of a wolf depredation control program. The level of wolf (Canis lupus) depredation on livestock in Minnesota, as determined from the total number of complaints verified annually during 1975-86, showed a slight upward trend but...