An okapi can wash its own ears inside and out with its tongue.
The praying mantis has only one ear, which is located between its legs.
Human ears contain the smallest muscles and the smallest bones in the human body.
A golden eagle is seven and a half feet wide but weighs less than nine pounds.
The bioluminescent Giant Siphonophore can grow 40 metres long – almost twice as long as a blue whale – but its body is only as thick as a broomstick.