Lobsters have blue blood.
476
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Sharks have been on the planet longer than trees.
14
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A cow produces around 200,000 glasses of milk in her lifetime.
373
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492