When cats are happy, they may squeeze their eyes shut.
10
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The reindeer is the only mammal that can see UV light.
17
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
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