572 oeuvres d'art sur les oiseaux (450 espèces)

Bird Sounds: How and Why Birds Sing, Call, Chatter, and Screech
par Barry Kent Mackay
A thorough and engaging examination of the variety of sounds birds make, from the familiar singing of songbirds and the hammering of woodpeckers to the harsh cacklings of crows. The how's and why's of bird vocalization, regional variation and speciation, and communication among species are discussed. Describes both native and exotic bird behavior and includes the latest research-all illustrated with full-color paintings by the author.

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