Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
When you shave a guinea pig it looks like a little hippo.
19
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23