Dogs sometimes fake being sick to get attention.
26
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
One in three dog owners say they have talked to their pets on the phone.
427
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The cat brain weighs about 30g.
167