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Author: Bob Orrell
Publisher: Whittles Pub
ISBN: 9781849950404
Category : Sports & Recreation
Languages : en
Pages : 160
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Book Description
A unique travel book and a useful sailing guide to the Western Isles and anchorages in the Hebrides
Author: Bob Orrell
Publisher: Whittles Pub
ISBN: 9781849950404
Category : Sports & Recreation
Languages : en
Pages : 160
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Book Description
A unique travel book and a useful sailing guide to the Western Isles and anchorages in the Hebrides
Author: British Museum (Natural History). Department of Zoology
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 96
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Book Description
![Catalogue of the Birds of the Tropical Islands of the Pacific Ocean in the Collection of the British Museum. By G. R. Gray. [Edited by J. E. Gray.] PDF](https://books.google.com/books/content/images/frontcover/4Nx_CtYHMUEC?fife=w80-h100)
Author: British Museum (Natural History). Department of Zoology
Publisher:
ISBN:
Category :
Languages : en
Pages : 92
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Book Description
Author: George Robert Gray
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Author: Richard Bowdler Sharpe
Publisher:
ISBN:
Category :
Languages : en
Pages : 652
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Book Description
Author: Charles Dixon
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 344
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Book Description
Author:
Publisher:
ISBN:
Category : Ethnology
Languages : en
Pages : 770
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Book Description
Author: Ernst Mayr
Publisher: Tuttle Publishing
ISBN: 146290890X
Category : Nature
Languages : en
Pages : 370
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Book Description
Perfect for birdwatching enthusiasts travelling to Indonesia, this concise guide is full of interesting information. This practical handbook, by an acknowledged authority, intended primarily for the field student, tells him how to identify and name the birds of Indonesia which he encounters, and what kinds of birds he can expect to find on each island. There is also a condensed summary of the present knowledge of distribution, geographical variation and habits. Whenever feasible, keys have been supplied to facilitate identification. These keys are simply and clearly worked out for the beginner who may not know the difference between a curlew and a godwit, or a triller and a graybird. Three magnificent color plates show 39 species which include at least one representation of all of the prominent bird families of the southwest Pacific. A series of black and white drawings show additional species. These pictures will be particularly valuable to bird students who have never seen a wood swallow, a flower pecker, a white-eye or a triller.
Author: Ernst Mayr
Publisher: Oxford University Press
ISBN: 9780195349665
Category : Science
Languages : en
Pages : 550
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Book Description
Speciation is the process by which co-existing daughter species evolve from one ancestral species - e.g., humans, chimpanzees, and gorillas arising from a common ancestor around 5,000,000 years ago. However, many questions about speciation remain controversial. The Birds of Northern Melanesia provides by far the most comprehensive study yet available of a rich fauna, composed of the 195 breeding land and fresh-water bird species of the Bismarck and Solomon Archipelagoes east of New Guinea. This avifauna offers decisive advantages for understanding speciation, and includes famous examples of geographic variation discussed in textbooks of evolutionary biology. The book results from 30 years of collaboration between the evolutionary biologist Ernst Mayr and the ecologist Jared Diamond. It shows how Northern Melanesian bird distributions provide snapshots of all stages in speciation, from the earliest (widely distributed species without geographic variation) to the last (closely related, reproductively isolated species occurring sympatrically and segregating ecologically). The presentation emphasizes the wide diversity of speciation outcomes, steering a middle course between one-model-fits-all simplification and ungeneralizable species accounts. Questions illuminated include why some species are much more prone to speciate than others, why some water barriers are much more effective at promoting speciation than others, and whether hypothesized taxon cycles, faunal dominance, and legacies of Pleistocene land bridges are real. These years of study have resulted in a huge database, complete with distributions of all 195 species on 76 islands, together with their taxonomy, colonization routes, ecological attributes, abundance, and overwater dispersal. Color plates depict 88 species and allospecies, many of which have never been seen before. For students of speciation, Northern Melanesian birds now constitute a model system against which other biotas can be compared. For population biologists interested in other problems besides speciation, this rich database can now be mined for insights.
Author:
Publisher:
ISBN:
Category : Parasites
Languages : en
Pages : 258
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Book Description
