A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Elephants, lions, and camels roamed Alaska 12,000 years ago.
32
Over 90% of all fish caught are caught in the northern hemisphere.
5
Bats sleep 18-20 hours per day.
5
Most domestic turkeys are so heavy they are unable to fly.
114
Cats and dogs can hear ultrasound.
350
A woodpecker can peck twenty times a second.
28