The Birds of Northern Melanesia: Speciation, Dispersal, & Biogeography by Ernst Mayr & Jared Diamond

Format: Hardcover, 492 pages

Publisher: Oxford University Press, 2001

ISBN: 0195141709

(Includes Shipping to Canada or the U.S.) 

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.


Mayr (zoology, Harvard U.) and Diamond (physiology, UCLA) have spent decades studying the birds of the Bismarck and Solomon Archipelagoes. While this volume can be used as a reference for the 195 species, it was written as a database for speciation. The text contains discussion of the physical and biological environment of the area, the history and impact of humans, the characteristics of the bird population, and their colonization routes. From this basis the remainder of the volume is devoted to a taxonomic and geographic analysis. Color plates are included of paintings of each bird by H. Douglas Pratt.


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