The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
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