Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Jellyfish as a species are actually older than dinosaurs and sharks.
383
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The colossal squid has the largest eyes in the world.
4
Sheep, goats, octopuses, and toads have rectangular pupils.
7