The cat brain weighs about 30g.
167
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dolphins have names for one another.
18
Drivers kill more deer than hunters do.
660
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
The reindeer is the only mammal that can see UV light.
17