Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Tigers can see 6 times better at night than humans.
305
Sharks, like other fish, have their reproductive organs in their chests.
248
Cats and dogs can hear ultrasound.
350
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
