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Page 4904, results 122576 - 122600

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Maximum likelihood methods for investigating reporting rates of rings on hunter-shot birds
M.J. Conroy
B.J.T. Morgan, P.M. North, editor(s)
1985, Book chapter, Statistics in Ornithology
It is well known that hunters do not report 100% of the rings that they find on shot birds. Reward studies can be used to estimate what this reporting rate is, by comparison of recoveries of rings offering a monetary reward, to ordinary rings. A reward study of American Black...
The California condor
John C. Ogden
Roger L. Di Silvestro, editor(s)
1985, Report, Audubon Wildlife Report 1985
The California condor (Gymnogyps californicus), with a weight of 18 to 22 pounds and a wingspan of approximately nine feet, is one of the largest land birds in the Western Hemisphere. It is one of seven species of New World vultures in the family Cathartidae, which includes the more familiar...
Applications and considerations for wildlife telemetry
M.R. Fuller
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 5. Workshop: Experimental Design and Data Analysis for Telemetry Projects. November 1985
Case histories of organophosphate pesticides killing birds of prey in the United States
Charles J. Henny, E. J. Kolbe, E. F. Hill, L. J. Blus
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 10. Second Raptor Research Foundation Conference on Raptor Conservation Techniques. November 1985
Since 1982 when secondary. poisoning of Red-tailed Hawks (Buteo jamaicensis) was documented following the recommended use of famphur on cattle, the Patuxent Wildlife Research Center has tested for organophosphate (OP) poisoning in selected birds of prey found dead. This report documents the circumstances for a number of. cases where birds...
Skimmers
R.M. Erwin
C.M. Perrins, A.L.A. Middleton, editor(s)
1985, Book chapter, The Encyclopedia of Birds
Foreword
C.S. Robbins
Sarah B. Laughlin, Douglas P. Kibbe, editor(s)
1985, Book chapter, The Atlas of Breeding Birds of Vermont
Hawaiian honeycreeper
C. B. Kepler
Bruce Campbell, Elizabeth Lack, editor(s)
1985, Book chapter, A Dictionary of Birds
Organochlorine pesticides in plasma of migrating peregrine falcons at Padre Island, Texas, Spring 1978-80 vs. Spring 1984
Charles J. Henny, K.E. Riddle, C.S. Hulse
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4. International Peregrine Conference Twenty-year Anniversary Meeting. November 1985
A spring concentration of migrating Peregrine Falcons (Falco peregrinus) was first discovered at Padre Island, Texas, in April 1978. The birds were first captured and blood-sampled for monitoring residue burdens and trends in the late 1970' s. Only 29 Peregrines were sampled in 1978 and 1979, but 111 were sampled...
Managing habitats for complex raptor guilds in eastern forests
K. Titus, M.R. Fuller, M. Root, P. DeSimone, J. Britt, J. A. Mosher
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 10. Second Raptor Research Foundation Conference on Raptor Conservation Techniques. November 1985
The status of osprey research in western North America
Charles J. Henny
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 9. Western North American Osprey Symposium.
The status of research on the Osprey tn western North America is reviewed. For discussion purposes the geographical populations are conveniently subdivided into Canada and Alaska, the Pacific Northwest of the United States, the western interior of the United States, and Mexico. Suggestions are made for further research on the...
Alaska peregrine falcon productivity in 1984 and the role of organochlorine residues
Robert E. Ambrose, Charles J. Henny, R. E. Hunter
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4
Twenty Peregrine Falcon (Falco peregrinus) eggs (one per eyrie) were collected at random in Alaska in 1984 for organochlorine residue analysis. Prior to this study we had obtained only addled eggs which were possibly not representative of the egg-laying population if addled eggs contained different levels of organochlorines than viable...