A puppy is born blind, deaf, and toothless.
16
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The colossal squid has the largest eyes in the world.
4
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The reindeer is the only mammal that can see UV light.
17
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10