Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
The cat brain weighs about 30g.
167
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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Domestic pigs average a top speed of about 11 miles per hour.
182