Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dogs have been man's pet for over 14,000 years.
224
Cats recognise the voice of their owner, but never evolved to care.
22
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
The elephant brain weighs about 6,000g.
274