An adult gorilla is about 1 meter tall to their shoulders when walking on all fours using their arms and their legs.

You can tell the age of a whale by looking at the wax plug in its ear. This plug in the ear has a pattern of layers when cut lengthwise that scientists can count to estimate the age of the whale.

Each day 400 gallons of recycled blood are pumped through the kidneys.

AMAZING FACTS