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Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 346
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Book Description
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 346
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Book Description
Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 920
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
Author: Anna TC Feistner
Publisher: Durrell Wildlife Conservation Trust
ISBN: 1900375028
Category :
Languages : en
Pages : 188
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Book Description
Scientific journal from Durrell Wildlife Conservation Trust
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 260
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Book Description
Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 348
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Book Description
Author: Derek A. Scott
Publisher:
ISBN:
Category : Nature conservation
Languages : en
Pages : 588
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Book Description
Author: Jerry L. Hout
Publisher:
ISBN:
Category : Brant
Languages : en
Pages : 24
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Book Description
This bibliography was prepared to facilitate collection of information useful in management or in planning additional studies on the Clarence Rhode National Wildlife Range on the Yukon-Kuskokwim Delta of Alaska which contain the most important nesting areas of the black brant (Branta bernicla nigricans). Emphasis was placed on locating references to the Pacific black brant, but references to the Atlantic brant (Branta bernicla horta) have been included.
Author: Steve Madge
Publisher: A&C Black
ISBN: 1408138956
Category : Science
Languages : en
Pages : 298
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Book Description
A summary of information on 154 species of duck, geese and swans of the world intended as an identification manual for the wildfowl enthusiast that goes beyond a regional basis and is light enough to be used as a handy reference book in the field. The text not only clarifies identification techniques but fully discusses problematic plumages in detail as well as providing a summary on world distribution and status complemented by clear distribution maps.
Author: Paul Johnsgard
Publisher: Lulu.com
ISBN: 1609620941
Category : Nature
Languages : en
Pages : 161
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Book Description
The eight currently recognized species of North American geese are part of a familiar group of birds collectively called waterfowl, all of which are smaller than swans and generally larger than ducks. They include the most popular of our aquatic gamebirds, with several million shot each year by sport hunters. Our two most abundant waterfowl, the Canada goose and snow goose, have populations collectively totaling about 15 million individuals. Like swans, the lifelong pairbonding of geese, their familial care, and prolonged social attachment to their offspring are legendary. Their seasonal migratory flights sometimes span thousands of miles, and the sight of their long, wavering flight formations are as much the symbols of seasonal change as are the spring songs of cardinals or the appearance of autumnal leaf colors. This book describes each species' geographic range and subspecies, its identification traits, weights and measurements, and criteria for its age and sex determination. Ecological and behavioral information includes each species' breeding and wintering habitats, its foods and foraging behavior, its local and long distance movements, and its relationships with other species. Reproductive information includes each species' age of maturity, pair-bond pattern, pair-forming behaviors, usual clutch sizes and incubation periods, brooding behavior, and postbreeding behavior. Mortality sources and rates of egg, young, and adult losses are also summarized, and each species' past and current North American populations are estimated. In addition to a text of nearly 60,000 words, the book includes 8 maps, 21 line drawings, and 28 photographs by the author, as well as more than 700 literature citations.
