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A lion's roar carries up to five miles

Lions mark their territory by roaring, and the sound can be heard up to five miles away.

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Both males and females roar and leave scent marks. Females raise the cubs and are the main hunters.

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A wolf's howl can travel seven miles

Other wolves can hear a gray wolf's howl from 6 to 7 miles away.

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Sea lions have ear flaps and true seals do not

Visible ear flaps distinguish sea lions from true seals.

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Cheetahs reach 45 mph in 2.5 seconds

A cheetah can accelerate from zero to 45 miles per hour in just 2.5 seconds.

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