Status Reports on Twelve Raptors

Status Reports on Twelve Raptors
Author :
Publisher :
Total Pages : 76
Release :
ISBN-10 : UOM:39015077574997
ISBN-13 :
Rating : 4/5 ( Downloads)

Book Synopsis Status Reports on Twelve Raptors by : David Lawrence Evans

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.


Status Reports on Twelve Raptors Related Books

Status Reports on Twelve Raptors
Language: en
Pages: 76
Authors: David Lawrence Evans
Categories: Birds of prey
Type: BOOK - Published: 1982 - Publisher:

DOWNLOAD EBOOK

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 de
Ecology of Bald Eagles Wintering Near a Waterfowl Concentration
Language: en
Pages: 20
Authors: Curtice R. Griffin
Categories: Bald eagle
Type: BOOK - Published: 1982 - Publisher:

DOWNLOAD EBOOK

Bald eagles (Haliaeetus leucocephalus) associate with wintering waterfowl concentrations throughout the United States, but little detailed information is availa
Reliability of Kill and Activity Estimates in the U.S. Waterfowl Hunter Survey
Language: en
Pages: 298
Authors: Leigh M. Couling
Categories: Hunting surveys
Type: BOOK - Published: 1982 - Publisher:

DOWNLOAD EBOOK

A mail questionnaire survey of waterfowl hunters is conducted each year in the United States to provide information on waterfowl kill and hunter activity. We ca
Habitat Use and Productivity of Canvasbacks in Southwestern Manitoba, 1961-72
Language: en
Pages: 40
Authors: Jerome H. Stoudt
Categories: Bird populations
Type: BOOK - Published: 1982 - Publisher:

DOWNLOAD EBOOK

A study of canvasback (Aythya valisineria) breeding populations, nest success, productivity, and habitat requirements was conducted from 1961 to 1972 on a 181.3
Distribution of Waterfowl Species Harvested in States and Counties During 1971-80 Hunting Seasons
Language: en
Pages: 120
Authors: Samuel M. Carney
Categories: Hunting surveys
Type: BOOK - Published: 1983 - Publisher:

DOWNLOAD EBOOK

Average numbers of waterfowl harvested during the 1971-80 hunting seasons are estimated by species for each county in the continental United States. A brief acc