The Birds of North and Middle America PDF Download
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Author: Robert Ridgway
Publisher:
ISBN:
Category :
Languages : en
Pages : 793
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Book Description
Author: Robert Ridgway
Publisher:
ISBN:
Category :
Languages : en
Pages : 793
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Book Description
Author: Herbert Friedmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 793
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Book Description
Author: Herbert Friedmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 793
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Book Description
Author: Robert Ridgway
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 824
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Book Description
Author: Robert Ridgway
Publisher:
ISBN:
Category :
Languages : en
Pages : 793
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Book Description
Author: Ralph Simon Palmer
Publisher:
ISBN: 9780300040593
Category :
Languages : en
Pages : 433
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Book Description
Author: John Nielsen
Publisher: Harper Collins
ISBN: 0061740640
Category : Nature
Languages : en
Pages : 271
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Book Description
The California condor has been described as a bird "with one wing in the grave." Flying on wings nearly ten feet wide from tip to tip, these birds thrived on the carcasses of animals like woolly mammoths. Then, as humans began dramatically reshaping North America, the continent's largest flying land bird started disappearing. By the beginning of the twentieth century, extinction seemed inevitable. But small groups of passionate individuals refused to allow the condor to fade away, even as they fought over how and why the bird was to be saved. Scientists, farmers, developers, bird lovers, and government bureaucrats argued bitterly and often, in the process injuring one another and the species they were trying to save. In the late 1980s, the federal government made a wrenching decision -- the last remaining wild condors would be caught and taken to a pair of zoos, where they would be encouraged to breed with other captive condors. Livid critics called the plan a recipe for extinction. After the zoo-based populations soared, the condors were released in the mountains of south-central California, and then into the Grand Canyon, Big Sur, and Baja California. Today the giant birds are nowhere near extinct. The giant bird with "one wing in the grave" appears to be recovering, even as the wildlands it needs keep disappearing. But the story of this bird is more than the story of a vulture with a giant wingspan -- it is also the story of a wild and giant state that has become crowded and small, and of the behind-the-scenes dramas that have shaped the environmental movement. As told by John Nielsen, an environmental journalist and a native Californian, this is a fascinating tale of survival.
Author: Michael O'Neal Campbell
Publisher: CRC Press
ISBN: 1482223627
Category : Nature
Languages : en
Pages : 372
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Book Description
This book reexamines current knowledge on the evolution, ecology, and conservation biology of both New World vultures (Cathartidae) and Old World vultures (Accipitridae) and seeks answers to past and present regional extinctions, colorizations, and conservation questions. Extinct species of both families are examined, as is the disputed evidence fo
Author: Ralph Simon Palmer
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 59
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Book Description
Author: Arthur Cleveland Bent
Publisher:
ISBN: 9780486209319
Category : Birds
Languages : en
Pages : 409
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Book Description
Library has only Part 1, which covers "California condor, vultures, kites, hawks, eagles, American osprey."
