The octopus does not have a blind spot.
273
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
The cat brain weighs about 30g.
167