The cat brain weighs about 30g.
167
Squirrels forget where they hide about half of their nuts.
698
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Giant Anteaters' front legs look like a panda.
48
Nicole Kidman is scared of butterflies.
65