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.