The Basenji dog is the only dog that is not able to bark.
4
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dogs sometimes fake being sick to get attention.
26
Female kangaroos have three vaginas.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79