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How and why species multiply : the radiation of Darwin's finches / Peter R. Grant and B. Rosemary Grant.

by Grant, Peter R., 1936-

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Princeton : Princeton University Press, c2008.

Finches -- Evolution -- Galapagos Islands.

Finches -- Adaptation -- Galapagos Islands.

Electronic Resource

http://catdir.loc.gov/catdir/toc/ecip0710/2007005384.html

9780691133607 (alk. paper)

0691133603 (alk. paper)

9780691149998 (pbk.)

Princeton series in evolutionary biology.

xix, 218 p., [32] p. of plates : ill. (some col.), maps ; 24 cm.

1. Biodiversity problem and Darwin's finches -- Biodiversity -- The choice of organisms -- Darwin's finches -- Diversity of Darwin's finch species -- Species and populations -- 2. Origins and history -- Phylogeny -- Ancestors -- The time of arrival -- Colonization -- The ecological theater -- A change of scenery -- The evolutionary play -- Recent history -- 3. Modes of speciation -- The formation of new species -- Two groups from one -- Divergence in allopatry -- Coexistence in sympatry -- Sympatric speciation -- Parapatric speciation -- Testing the models -- 4. Colonization of an island -- Speciation : the initial split -- Establishment of a new population -- Founder effects : expectations from theory -- A colonization event -- Inbreeding -- Recurrent immigration -- An alternative phenology of founder effects -- Species elsewhere -- 5. Natural selection, adaptation, and evolution -- Adaptation -- Beak sizes and diets -- Adaptive evolution when the environment changes -- Natural selection -- Evolution -- Oscillating directional selection -- Extrapolating from short to long term -- The sources of variation -- How beaks are formed -- Depth and width -- Length -- 6. Ecological interactions -- Competition -- Patterns of coexistence -- Diets inferred from beaks -- Interpreting the patterns -- Character displacement and release -- Character displacement observed -- The competitive role of G. Magnirostris -- Selection under contrasting conditions -- Evolution of character displacement -- 7. Reproductive isolation -- Pre-mating barrier to interbreeding -- Factors involved in the discrimination between species -- Beaks -- Song -- Learning -- Song differences between species -- Song divergence in allopatry -- Adaptation to habitat -- Change of songs as a consequence of morphological divergence -- The role of chance -- Simulating secondary contact -- 8. Hybridization -- Hybridization -- Why hybridization occurs -- When hybridization does not occur -- Hybrid fitness -- Introgression on Daphne Major -- Introgression in the archipelago -- Reinforcement -- Reproductive character displacement -- Evolutionary significance of introgression -- 9. Species and speciation -- From process to product : what is a species? -- A working definition -- How many species of Darwin's finches? -- Certhidea olivacea : one species or two? -- Geospiza difficilis : one species or three? -- From product back to process -- Fission and fusion -- 10. Reconstructing the radiation of Darwin's finches -- The shape of the radiation -- Speciation and extinction -- Speciation -- Extinction -- Implications for phylogeny -- Adaptive landscape -- A pattern of ecological segregation -- Specialization -- The buildup of complex communities -- 11. Facilitators of adaptive radiation -- Environmental opportunity -- Geographical suitability -- Ecological opportunity -- High diversification potential -- Behavioral flexibility -- Introgressive hybridization -- Hybridization and animal breeding -- Environmental conditions conducive to introgression -- Finches versus mockingbirds -- 12. The life history of adaptive radiations -- The first stage of adaptive radiation -- The second stage of adaptive radiation -- Haldane's rule -- The third stage of adaptive radiation -- Synthesis -- 13. Summary of the Darwin's finch radiation -- What happened and why -- What is missing?

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