The cat brain weighs about 30g.
167
Cats recognise the voice of their owner, but never evolved to care.
22
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Parrot parents "name" their children with a signature call.
112
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