Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A crocodile always grows new teeth to replace the old teeth!
15
A snail can sleep for three years.
40
World's heaviest primates: morbidly obese humans. After that: gorillas at 485 lbs.
106
Whales and dolphins can't taste anything other than salt.
11
Mosquitoes prefer children to adults, blondes to brunettes.
52
A woodpecker can peck twenty times a second.
28
A shrimp's heart is in its head.
32