Dolphins have names for one another.
18
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
A group of pugs is called a grumble.
10
Domestic pigs average a top speed of about 11 miles per hour.
182
A 42-foot sperm whale has about 7 tons of oil in it.
209
Bats sleep 18-20 hours per day.
5