Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
There are approximately three chickens for every human on Earth.
13
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Squirrels forget where they hide about half of their nuts.
698