The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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