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二趾樹懶 Linnaeus’s Two-toed Sloth
綱目 : 哺乳綱貧齒目
中文名稱 : 二趾樹懶 Linnaeus’s Two-toed Sloth
英文名稱 : Linnaeus’s Two-toed Sloth
學名 : Choloepus didactylus
分類 : Herbivore
食性 : 以樹葉、果實等為食
棲息地

南美委內瑞拉東部、圭亞那南部至厄瓜多爾、祕魯及巴西的亞馬遜河流域

生殖

懷孕期11個月,每胎產子1隻

特徵與習性

二趾樹懶分布於中南美洲,為夜行性獨居動物,被認為是世界上活動速度最慢的哺乳動物。大半輩子都懸吊在樹上生活,包括進食、睡眠、交配、育兒,一天能睡15小時。 樹懶前爪有兩趾,嗅覺敏銳,擅游泳,毛髮長滿藻類,整個身體看起來是深綠色,成為絕佳保護色。動作遲緩,心跳和胃的消化也很慢,由於消化道短小,食物留在其體內達一個月,每周排便一次。 The Linnaeus's two-toed sloths are the world's slowest moving animal. They spent most of their lives in trees, including while feeding, sleeping and breeding. Sloths sleep 15 hours a day and, due to its slow movement, their heartbeat and metabolism are also very slow. Food will stay in the sloth's body for almost one month, and they defecate once a week. Although sloths move slowly on land, they are actually good swimmers and do well underwater.

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