- She already has a baby
这只母树懒已经有了一只幼崽 - and she won't mate again until it leaves her in about six months' time.
在幼崽六个月后长大离开之前 她不会再次交配 - Even life on a paradise island can have its limitations.
即使生活在天堂之岛也会有限制 - But at least she can't be far away.
但至少她就在不远处 - The world's entire population of pygmy sloths is isolated
地球上所有的侏三指树懒都生活在 - on a speck of land no bigger than New York's Central Park.
这片不及纽约中央公园大小的岛屿上 - The size of an island has a huge influence
岛屿的大小极大地影响着