They then found the same virus lurking in the genome of the three-toed sloth.

然后他们在三趾树懒的基因组中发现了同样的病毒。

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Emu is a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage.

鸸鹋是一种大型的澳大利亚不会飞的鸟，类似于鸵鸟，但是有三趾的脚和灰色或棕色的羽毛。

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The four-toed Eohippus preceded the three-toed Miohippus, for example, but North American fossil evidence suggests a jerky, uneven transition between the two.

例如，四趾的始祖鸟先于三趾的始祖鸟出现，但北美的化石证据表明，这两种动物之间有一个急促而不均衡的转换过程。

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At Corcovado you can find tapirs, jaguars, pumas, anteaters, two-toed and three-toed sloths, golden orb spiders, moon crabs, a diversification of monkeys (including all four types of Costa Rican monkeys, found only in Corcovado), crocodiles, poison dart frogs, pelicans, 220 species of butterflies, scarlet macaws and even the rare and venomous fer-de-lance snake.

FORBES: Take A Trip To The "Happiest Country On Earth"

The Scottish midfielder tip-toed around three defenders and curled in a delightful ball to the back post for the unmarked Ridgewell to bundle the ball in with his thigh.

BBC: Birmingham 1-1 Liverpool