Only 3% of bird species have penises.
0
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
A domestic cat can sprint at about 31 miles per hour.
274
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
Cats sleep for 70% of their lives.
8