Fascinating Mammal Facts


80 votes - 95%
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1. Dogs have developed bigger brains than cats because highly social species of mammals need more brainpower than solitary animals.
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2. The rat has been called the world's most destructive mammal - other than man.
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3. The elephant is one of the few mammals that can't jump.
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4. Humans are the only mammals with permanently swollen breasts - other animals only have them when nursing.
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5. The larger a mammal's brain, the greater its tendency to play.
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6. The fastest air mammal is the big brown bat, which can fly as fast as 15.5 miles per hour
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7. Bats are the only mammals that can fly.
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8. The bison is the largest land mammal native to the Western Hemisphere, reaching heights of over 6 feet and weighing more than 750 pounds.
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9. Humans are the only mammals that engage in warfare.
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10. Mammals in true hibernation wake up every week or so to warm up for a while before going back to sleep.
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11. Humans are the only mammals that can't swallow and breathe at the same time.
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12. The largest land mammal ever was Paraceratherium, an 18 foot tall prehistoric rhinoceros.

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