Cats recognise the voice of their owner, but never evolved to care.
22
The largest breed of rabbit is the Flemish Giant.
65
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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