Bats sleep 18-20 hours per day.
5
The seahorse is the only fish to have a neck.
12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The Basenji dog is the only dog that is not able to bark.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12