The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
When cats are happy, they may squeeze their eyes shut.
10
On some Caribbean islands, the oysters can climb trees.
58
Bats sleep 18-20 hours per day.
5
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
A cow produces 200 times more gas a day than a person.
90
A 42-foot sperm whale has about 7 tons of oil in it.
209