Birds of the Seward Peninsula, Alaska PDF Download
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Author: Brina Kessel
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 352
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Book Description
Bird watchers, ornithologists, and wildlife managers will find in Birds of the Seward Peninsula, Alaska virtually all the information available about Seward Peninsula birds - from rare visitants to overwinterers and regular summer residents. The book is packed with details of distribution and abundance, habitats, nesting and feeding habits, and more, both for birds common to our continent and those that come from Asia.
Author: Brina Kessel
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 352
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Book Description
Bird watchers, ornithologists, and wildlife managers will find in Birds of the Seward Peninsula, Alaska virtually all the information available about Seward Peninsula birds - from rare visitants to overwinterers and regular summer residents. The book is packed with details of distribution and abundance, habitats, nesting and feeding habits, and more, both for birds common to our continent and those that come from Asia.
Author: Robert H. Armstrong
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 352
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Book Description
Covers the species known to have occured in Alaska as of June 25, 1979, organized by families. Gives information on identification, status, distribution and habitat.
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: Steve N. G. Howell
Publisher: Houghton Mifflin Harcourt
ISBN: 9780618726417
Category : Nature
Languages : en
Pages : 534
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Book Description
Publisher description
Author: James M. Richards
Publisher: UBC Press
ISBN: 077486026X
Category : Nature
Languages : en
Pages : 815
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Book Description
Nunavut is a land of islands, encompassing some of the most remote places on Earth. It is also home to some of the world’s most fascinating bird species. The windswept tundra, rocky shorelines, and icy waters of this thinly populated land are integral to the survival of numerous breeding and non-breeding birds, including the colourful King Eider, the stately Snowy Owl, the spritely Snow Bunting, and the globe-spanning Northern Wheatear. Birds of Nunavut is the first complete survey of every species known to occur in the territory. It is co-written by a team of eighteen experts who have conducted a combined total of 300 seasons of fieldwork in Nunavut. They document 295 species of birds (of which 145 are known to breed in the territory), presenting a wealth of information on identification, distribution, ecology, behaviour, and conservation. Lavishly illustrated with over 800 colour photographs and 155 maps, it is a visually stunning reference work on the birds that live in and visit Nunavut.
Author:
Publisher:
ISBN:
Category : Continental shelf
Languages : en
Pages : 764
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Book Description
Author: Paul Johnsgard
Publisher: Lulu.com
ISBN: 1609621107
Category : Nature
Languages : en
Pages : 186
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Book Description
Although the 12 species representing three waterfowl tribes described in this volume are not closely related, they fortuitously provide an instructive example of adaptive evolutionary radiation within the much larger waterfowl lineage (the family Anatidae), especially as to their divergent morphologies, life histories, and social behaviors. The whistling-ducks (Dendrocygna), with three known North American species, are notable for their permanent pair-bonds, extended biparental family care, and strong social cohesion. In contrast, males of the five typical pochards of North American diving ducks (Aythya) establish monogamous pair-bonds that are maintained only long enough to assure that the female's eggs are fertilized. The endpoint of this behavioral gradient, promiscuity or polygyny, exists among at least some of the typical stifftails (Oxyura). Such diverse reproductive strategies have exerted powerful evolutionary influences on interspecies variations in sexual dimorphism, sexual behavior, anatomy, ecology, and other traits. This volume includes more than 63,000 words, plus some 200 maps, photos, drawings, and sketches, and nearly 650 literature citations. It is the last of five volumes that describe all 55 waterfowl species that have been historically documented in North America; collectively, the volumes total over 300,000 words, with nearly 3,000 literature citations, and more than 600 maps, photos, drawings, and sketches.
Author: Arthur L. Sowls
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 260
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Book Description
Author: Paul Johnsgard
Publisher: Lulu.com
ISBN: 1609620879
Category : Nature
Languages : en
Pages : 177
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Book Description
The ten currently recognized species of grouse in North America have played an important role in America's history, from the famous but ill-fated heath hen, a primary source of meat for the earliest New England immigrants, to the ruffed grouse, currently one of the most abundant and soughtafter upland game birds in more than 40 states and provinces. This book summarizes the ecology, reproductive biology, and social behavior of all ten of the extant North American grouse species. It also describes the current status of grouse populations, some of which are perilously close to extinction. The social behavior of grouse is of special biological interest because among these ten species there is a complete mating system spectrum, from seasonally monogamous pair-bonding to highly promiscuous mating patterns. The latter group illustrates the strong structural and behavioral effects of sexual selection resulting from nonmonogamous mating. These influences reach a peak in the development by some grouse species of engaging in mating "leks," arena-like competitions performed by males while attempting to attract fertile females, and also provide opportunities for females to select optimum mating partners. These sexual competitions also promote strong differences evolving in sexual signaling behaviors ("displays") among closely related species. Nevertheless, a relatively high incidence of mating errors and resulting hybridization often occurs in spite of these marked behavioral differences. In addition to a text of 101,000 words, the book includes 16 range maps, 37 line drawings, and 38 photographs by the author, as well as nearly 1,400 literature citations.
