Название: Exploring the world of mammals Автор: edited by Nancy Simmons, Richard Beatty, Amy-Jane Beer Издательство: Chelsea House books Год: 2008 Формат: PDF Страниц: 416 Размер: 93 Mb Язык: English
Asked to describe a mammal, most people might say, quite correctly, a warm, furry animal that feeds its young on milk. There are around 5,000 different species of mammals, all of which have hair or fur, a constant internal body temperature (are “warm-blooded”), and feed their offspring on milk.
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Exploring the world of mammals 
