Cats recognise the voice of their owner, but never evolved to care.
22
There are approximately three chickens for every human on Earth.
13
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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 most expensive cow in the world was sold in 2009 for $1.2 million.
-3
A group of unicorns is called a blessing.
304