There are approximately three chickens for every human on Earth.
13
The octopus does not have a blind spot.
273
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The seahorse is the only fish to have a neck.
12
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
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11