Lobsters have blue blood.
476
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The reindeer is the only mammal that can see UV light.
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
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Condoms were originally made of animal intestines or linen.
347