The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
A dairy cow can produce more milk when listening to music.
446
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20