Cows can sleep standing up, but they can only dream lying down.
745
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A domestic cat can sprint at about 31 miles per hour.
274
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
