Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
Only 3% of bird species have penises.
0
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Moths are unable to fly during an earthquake.
328
Dogs have been man's pet for over 14,000 years.
224
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