Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Domestic pigs average a top speed of about 11 miles per hour.
182
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The reindeer is the only mammal that can see UV light.
17
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
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