A chicken will lay bigger and stronger eggs if you change the lighting in such a way as to make them think a day is 28 hours long!
37
The male platypus has poisonous spurs on its legs.
58
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The average housefly weighs 10 to 15 millionths of a pound.
33
Elephants are the only animals that can't jump.
1
The lifespan of mammals is about 1 and a half billion heartbeats.
127
The giant squid has the largest eyes in the world.
62