By Geoffrey E. Hill

ISBN-10: 0195148487

ISBN-13: 9780195148480

ISBN-10: 0195348915

ISBN-13: 9780195348910

This is often an account of reports of the functionality and evolution of colourful plumage in the home Finch. it's also an attractive examine at the evolution of sexual choice in birds and a full of life portrait of the demanding situations and constraints of experimental layout dealing with any box investigator operating with animal habit. half I units the degree for contemporary experiences of the functionality of plumage shade with a evaluate of the 19th and starting of the 20 th centuries. half II makes a speciality of the proximate regulate and current functionality of plumage shade. half III takes a extra explicitly evolutionary method of the examine of plumage colour utilizing biogeography and phylogeny to check hypotheses for why particular kinds of plumage colour show have developed. It concludes with an account of comparative experiences which have been carried out in the home Finch and different cardueline finches and the perception those reports have supplied at the evolution of carotenoid-based decorative color.

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Extra info for A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch (Oxford Ornithology Series)

Example text

Nests are constructed primarily, if not exclusively, by the female. During nest building, males closely shadow their females—a behavior that behavioral ecologists call mate guarding. Mate guarding is essentially unstudied in the House Finch, but in other species of songbirds researchers have shown that mate guarding is a strategy by males to ensure that they fertilize the eggs produced by a particular female (Birkhead and M011er 1992). Males work to maintain exclusive sexual access to their mate during the period when her eggs are most likely to be fertilized.

F. f. f. 0001; two-tailed f-test) (from Hill 1992; Auburn data not previously published). f. 15; not illustrated). House Finch Ecology Habitat The distribution of House Finches in North American has changed dramatically in the last 150 years. Details of the range expansion of House Finches will be given in chapter 10. Briefly, when European people colonized North America, House Finches were found only in western North America from Oregon and Colorado south through most of Mexico. They were purposefully introduced to the Hawaiian Islands in the mid-nineteenth century, and are now common on all major islands in the chain.

It is the bird singing from the porch at home or from the ledge outside one's office. It is common or abundant wherever it is found, and it is generally found near people. It is of average size, socially monogamous like most birds, builds a cup nest, and molts once per year—nothing that would raise the eyebrow of an ornithologist. When I meet with fellow field biologists and hear tales ofcotinga leks in the lowland rain forests of Guyana or a new species of barbet from an unexplored mountain in Peru, it is almost embarrassing to admit that I catch my birds in the parking lot a hundred feet from my office and band them at my desk.

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A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch (Oxford Ornithology Series) by Geoffrey E. Hill

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