Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Jellyfish as a species are actually older than dinosaurs and sharks.
383
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Tigers can see 6 times better at night than humans.
305
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
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