The age of a fish can be determined by its number of fish scales

Orangutans warn people to stay out of their territory by belching

Dolphins entertain themselves by creating underwater bubble rings

The sweet scent that lingers after a rainfall is called Petricho

Camels have three eyelids to protect themselves from blowing sand

There are giant hornets in Japan whose venom can melt human flesh

Polar bears are the only mammal with hair on the soles of its feet

The thumbnail grows the slowest; the middle nail grows the fastest

Researchers estimate that 91% of sea creatures remain undiscovered

Crows are able to remember the faces of people who mistreated them

When snakes are born with two heads they fight each other for food

There are no two zebras who have stripes that are exactly the same

The smallest and shallowest ocean in the world is the Arctic Ocean

Fig trees kill fig wasps that lay eggs on them without pollinating

The common silkworm has eleven brains but it only uses five of them