Cats recognise the voice of their owner, but never evolved to care.
22
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Moths are unable to fly during an earthquake.
328
A dairy cow can produce more milk when listening to music.
446