Many kinds of wild dogs have nearly disappeared from the Earth.

许多种类的野狗几乎已经从地球上消失了。

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Some wild animals are in danger as the earth is getting warmer and warmer.

随着地球越来越暖，一些野生动物正处于危险之中。

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The number of wild animals on the earth is dwindling.

地球上野生动物的数量正日渐减少。

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In 1991, he joined the journal "Wild Earth, " and he helped co-found the Wildlands Network, a nonprofit conservation group based in Titusville, Florida.

CNN: Trekking 5,000 miles to connect man and wildlife

Corbett currently has the highest density of tigers in the wild on earth.

FORBES: Tiger Safari By Chartered Plane

Moments after Felix Baumgartner stepped from his capsule 24 miles above Earth, the intrepid skydiver slipped into a wild spin.

FORBES: Watch Felix Baumgartner's First-Person View Of His Death Spin