Tigers can see 6 times better at night than humans.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Sharks, like other fish, have their reproductive organs in their chests.
248
Only 3% of bird species have penises.
0
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9