It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Sharks have been on the planet longer than trees.
14
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
When you shave a guinea pig it looks like a little hippo.
19
The cat brain weighs about 30g.
167
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255