Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The octopus does not have a blind spot.
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The elephant brain weighs about 6,000g.
274
The cat brain weighs about 30g.
167
One in three dog owners say they have talked to their pets on the phone.
427
Cats and dogs can hear ultrasound.
350
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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