Avocados are technically berries — and they evolved to be eaten by giant ground sloths, which are now extinct.

The Arctic tern migrates farther than any other bird.

Some trees can communicate with each other using underground fungal networks.

Tyrannosaurus rex had one of the strongest bites of any land animal.

Some dinosaurs laid eggs in large nesting colonies.

Sharks have been on Earth longer than trees — sharks evolved around 450 million years ago, trees around 350 million.

There are more trees than stars in our galaxy.

Certain insects use camouflage to resemble sticks or leaves.

The smell of rain has a name — petrichor — and it's caused by bacteria, oils, and ozone.