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Colophon

Colophon

The image on the cover of Designing Web Interfaces is a Guianan cock-of-the-rock (Rupicola rupicola). Easily identified by the distinctive half-moon crest on its head, this bird is native to mountainous regions in northern South America, spanning the countries of Guyana, French Guiana, Suriname, Colombia, Venezuela, and Amazonian Brazil. Mainly fruit eaters, Guianan cocks-of-the-rock pass whole seeds through their digestive systems, thereby contributing to tree and plant diversity in the lowland forests they inhabit.

Adult cocks-of-the-rock reach heights of eight inches and have stout, round bodies. Males are typically smaller than females and have bright orange plumage with black and white accents, whereas the females are a muted brown. The males take advantage of their bright plumage to attract females as part of their elaborate mating ritual, during which they gather in a lek, spread their wings, strut, ruffle their tail feathers, and issue a series of unique calls. The birds are polygamous; successful males will mate with many females during breeding season. Females build cup-shaped nests for their eggs out of clay and plant matter inside cliff cavities or along rock faces, and they raise their chicks alone.


  

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