Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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When you shave a guinea pig it looks like a little hippo.
19
Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
46
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Goldfish lose their color if they are kept in dim light or are placed in a body of running water, such as a stream.
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The flea can jump 350 times its body length, that is like a human jumping the length of a football field.
32
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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