Octopuses have three hearts and blue blood.

Elephants can recognize themselves in a mirror.

Turritopsis dohrnii, a jellyfish, can theoretically live forever.

Butterflies taste with their feet.

Crows can solve complex puzzles and remember human faces.

A group of flamingos is called a ‘flamboyance.’

Starfish can regenerate lost arms.

Dolphins have names for each other.

The heart of a shrimp is located in its head.

Giraffes have the same number of neck vertebrae as humans.