Birds of the Kilbuck and Ahklun Mountain Region, Alaska PDF Download
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Author: Margaret R. Petersen
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 180
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Book Description
Detailed assessment of the relative abundance, seasonal occurrence, distribution, and habitat use of birds in the Kilbuck and Ahklun mountain region of Alaska.
Author: Margaret R. Petersen
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 180
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Book Description
Detailed assessment of the relative abundance, seasonal occurrence, distribution, and habitat use of birds in the Kilbuck and Ahklun mountain region of Alaska.
Author: Robert H. Armstrong
Publisher: Mango Media Inc.
ISBN: 1633534707
Category : Nature
Languages : en
Pages :
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Book Description
GUIDE TO THE BIRDS OF ALASKA has been a must-have for Alaska birders for more than thirty years. In the sixth edition, Robert Armstrong provides hundreds of new photographs. Every bird is now illustrated including the casuals and accidentals. This comprehensive guide provides the most current knowledge about the birds in Alaska.
Author:
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Category :
Languages : en
Pages : 326
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Book Description
Author:
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Category : Wildlife conservation
Languages : en
Pages : 702
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Book Description
Author: Rick Wright (Bird tour leader)
Publisher: Mariner Books
ISBN: 0547973160
Category : History
Languages : en
Pages : 453
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Book Description
Sparrows are as complicated as they are common. This is an essential guide to identifying 76 kinds, along with a fascinating history of human interactions with them. What, exactly, is a sparrow? All birders (and many non-birders) have essentially the same mental image of a pelican, a duck, or a flamingo, and a guide dedicated to waxwings or kingfishers would need nothing more than a sketch and a single sentence to satisfactorily identify its subject. Sparrows are harder to pin down. This book covers one family (Passerellidae), which includes towhees and juncos, and 76 members of the sparrow clan. Birds have a human history, too, beginning with their significance to native cultures and continuing through their discovery by science, their taxonomic fortunes and misfortunes, and their prospects for survival in a world with ever less space for wild creatures. This book includes not just facts and measurements, but stories--of how birds got their names and how they were discovered--of their entanglement with human history.
Author: Jonathan Robert Bart
Publisher: Univ of California Press
ISBN: 0520953495
Category : Science
Languages : en
Pages : 317
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Book Description
Each year shorebirds from North and South America migrate thousands of miles to spend the summer in the Arctic. There they feed in shoreline marshes and estuaries along some of the most productive and pristine coasts anywhere. With so much available food they are able to reproduce almost explosively; and as winter approaches, they retreat south along with their offspring, to return to the Arctic the following spring. This remarkable pattern of movement and activity has been the object of intensive study by an international team of ornithologists who have spent a decade counting, surveying, and observing these shorebirds. In this important synthetic work, they address multiple questions about these migratory bird populations. How many birds occupy Arctic ecosystems each summer? How long do visiting shorebirds linger before heading south? How fecund are these birds? Where exactly do they migrate and where exactly do they return? Are their populations growing or shrinking? The results of this study are crucial for better understanding how environmental policies will influence Arctic habitats as well as the far-ranging winter habitats used by migratory shorebirds.
Author: Eugene Potapov
Publisher: A&C Black
ISBN: 1408172186
Category : Nature
Languages : en
Pages : 337
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Book Description
A comprehensive monograph of the beautiful Snowy Owl, famed for its elegant, all-white plumage. The Snowy Owl needs little introduction. This massive white owl breeds throughout the Arctic, wherever there are voles or lemmings to hunt, from Scandinavia through northern Russia to Canada and Greenland. Southerly movements in winter see North American birds travel as far south as the northern United States, while infrequent vagrants on the Shetlands and other northern isles are a magnet for birders. The Snowy Owl gives this popular bird the full Poyser treatment, with sections on morphology, distribution, palaeontology and evolution, habitat, breeding, diet, population dynamics, movements, interspecific relationships and conservation, supported by some fabulous photography. The award-winning author team also had access to Russian research literature, which is generally out of reach for Western scientists.
Author: Vivian M. Mendenhall
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 258
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Book Description
This report describes the simultaneous monitoring of seabird colonies (murres and kittiwakes) at Bering Sea colonies (Cape Peirce and Bluff), and Cape Thompson in the Chukchi Sea and analyses their productivity or breeding success.
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Category : Kisaralik River (Alaska)
Languages : en
Pages : 90
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Book Description
Author: National Biological Survey (U.S.)
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 20
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Book Description
