Parrots and rabbits can see behind themselves without moving their heads.
Butterflies have their taste receptors in their feet unlike humans who have them in their tongue. So butterflies taste their food by standing on top of it.
Most of the dust at our home is actually the dead skin.
Stegosaurus dinosaur brain was only the size of a walnut though it was 9 meters long.
In space humans get little taller since there is no gravity pulling down on them.
Kangaroos and emus struggle to walk backwards because of their unusual leg shape.