The cat brain weighs about 30g.
167
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Sharks, like other fish, have their reproductive organs in their chests.
248
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Mosquitoes don't just bite you, they also pee on you.
11
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23