Rattlesnake mating sessions have been known to last more than 22 hours.
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The elephant brain weighs about 6,000g.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The largest breed of rabbit is the Flemish Giant.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Sloths take two weeks to digest their food.
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