The colossal squid has the largest eyes in the world.
4
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
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The reindeer is the only mammal that can see UV light.
17
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10