Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Gorillas can catch human colds and other illnesses.
205
Dogs sometimes fake being sick to get attention.
26
The largest earthworm on record was found in South Africa and measured 22 feet.
151