Mummies of pleistocene ground sloths, with original skin, hair, tendons and claws have been found . 还发现了保存原有皮肤,毛发,腱和爪的更新世时期地面树懒的木乃伊。
Many animals are illegal to own as pets , including snails , sloths , and elephants 许多动物- -包括蜗牛、树懒和象- -被养做宠物是违法。
Slowest mammal - the sloth . it has an average ground speed of only 6 - 8 feet per minute 最慢的哺乳动物:树懒。它的平均对地速度是每分钟6 8英尺。
Prehistoric bones believed to belong to ancient sloths have been discovered by construction crews working on the massive everglades restoration project 在美国佛罗里达州从事埃弗格来兹沼泽地恢复工程的建筑工人们近日发现了一些据信是属于古代树懒的史前遗骨。