Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
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A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Goldfish remember better in cold water than warm water.
29
Whales and dolphins can't taste anything other than salt.
11
There is a species of clam that can grow up to four feet long and weigh up to 500 pounds.
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