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单词 Octodontids
释义

Octodontids

英语百科

Octodontidae

Octodontidae is a family of rodents, restricted to southwestern South America. Thirteen species of octodontid are recognised, arranged in nine genera. The best known species is the degu, Octodon degus.

Octodontids are medium-sized rodents, ranging from 12 to 20 cm (4.7 to 7.9 in) in body length. They have long, silky, fur, which is typically brownish in color, and often paler on the underside. The name 'octodont' derives from the wear pattern of their teeth, which resembles a figure 8. Most are nocturnal, social, burrowing animals, though the degu is largely diurnal. They are herbivorous, eating tubers, bulbs, and cactuses.

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更新时间:2025/6/22 3:49:43