Status Reports On Twelve Raptors

Author : David Lawrence Evans
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.97/5 ( download)

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Download or read book Status Reports on Twelve Raptors written by David Lawrence Evans and published by . This book was released on 1982 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Depletion of fisheries due to acid rain may pose a future threat to bald eagle and osprey populations in some regions. Loss of essential habitat has affected declines in the caracara and western burrowing owl and the disappearance of the norther aplomado falcon from the southern United States. Most populations of the ferruginous hawk, marsh hawk, and prairie falcon appear stable; habitat loss is the most critical factor in population changes.

Author :
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.22/5 ( download)

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Download or read book Special Scientific Report written by and published by . This book was released on 1981 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.47/5 ( download)

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Download or read book Special Scientific Report--wildlife written by U.S. Fish and Wildlife Service and published by . This book was released on 1982 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.65/5 ( download)

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Download or read book Special Scientific Report--wildlife written by and published by . This book was released on 1982 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.38/5 ( download)

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Download or read book Status and Trends Report on Wildlife of the San Francisco Estuary written by and published by . This book was released on 1990 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author :
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.08/5 ( download)

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Download or read book Snake River birds of prey area annual report written by and published by . This book was released on 198? with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Jerome H. Stoudt
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.07/5 ( download)

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Download or read book Habitat Use and Productivity of Canvasbacks in Southwestern Manitoba, 1961-72 written by Jerome H. Stoudt and published by . This book was released on 1982 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of canvasback (Aythya valisineria) breeding populations, nest success, productivity, and habitat requirements was conducted from 1961 to 1972 on a 181.3 square kilometer area south of Minnedosa, Manitoba.

Author : Richard D. Atkinson
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.71/5 ( download)

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Download or read book Population Dynamics of Mourning Doves Banded in Missouri written by Richard D. Atkinson and published by . This book was released on 1982 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most mourning doves (Zenaida macroura) banded in eastern Missouri in 1968-76 and recovered outside the State moved south-southeast into Kentucky, Tennessee, Mississippi, Alabama, Georgia, Florida, and South Carolina. Most doves banded in central and western Missouri and recovered elsewhere moved south-southwest into Kansas, Oklahoma, Louisiana, Texas, Mexico, and Central America. Several central Missouri doves moved southeast.

Author :
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.89/5 ( download)

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Download or read book Migration, Harvest, and Population Dynamics of Mourning Doves Banded in the Central Management Unit, 1967-77 written by and published by . This book was released on 1982 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: A banding program for mourning doves (Zenaida macroura) was conducted by the 14 Central Management Unit (CMU) States and the U.S. FIsh and Wildlife Service during 1967-74. Banding and recovery records, as well as data from annual call-count and harvest surveys, were subsequently analyzed by a subcommittee of the Central Migratory Shore and Upland Game Bird Technical Committee. This paper presents information on mourning dove habitat, hunting regulations, and harvest in the CMU; distribution and derviation of band recoveries in and from CMU; distribution of mourning dove harvest in Mexico and Central America; chronology of migration; survival and recovery rates; effects of hunting on CMU mourning dove populations; and indirect nationwide mourning dove population estimates.

Author : G. Vernon Byrd
Publisher : Washington, D.C. : U.S. Department of the Interior, Fish and Wildlife Service
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.67/5 ( download)

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Download or read book Ecology of Aleutian Canada Geese at Buldir Island, Alaska written by G. Vernon Byrd and published by Washington, D.C. : U.S. Department of the Interior, Fish and Wildlife Service. This book was released on 1983 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report on a study of the only known breeding population of the endangered Aleutian Canada goose (Brauta canadensis leucopareia) from 1974 to 1977 at Buldir Island, a western Aleutian island, Alaska.