The elephant brain weighs about 6,000g.
274
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Only 3% of bird species have penises.
0
A dairy cow can produce more milk when listening to music.
446
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10