Cats recognise the voice of their owner, but never evolved to care.
22
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
One in three dog owners say they have talked to their pets on the phone.
427
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Lurch, a Watusi bull, had the largest horns in the world.
32
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34