An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The elephant brain weighs about 6,000g.
274
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
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12