On average, there's 300 billion neurons in the octopus brain.
129
Flamingos can only eat with their heads upside down.
38
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The bagpipe was first made from the liver of a sheep.
5
Porcupines float in water!
69
A rodent's teeth never stop growing.
16
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Bluebirds cannot see the color blue.
40