Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A 42-foot sperm whale has about 7 tons of oil in it.
209
There are approximately three chickens for every human on Earth.
13
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
One in three dog owners say they have talked to their pets on the phone.
427
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Alligators can live up to 100 years.
337