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
Cats recognise the voice of their owner, but never evolved to care.
22
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Only 3% of bird species have penises.
0
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271