When dragonflies mate, their tails form a love heart.
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The reindeer is the only mammal that can see UV light.
17
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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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The colossal squid has the largest eyes in the world.
4
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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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
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17