Lobsters have blue blood.
476
The reindeer is the only mammal that can see UV light.
17
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
When cats are happy, they may squeeze their eyes shut.
10
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6