Fossil hunters from Europe have discovered one of the largest predators ever to have lived: a whale that could devour other whales, with a mouth 9 ft (2.7 m) long and 7 ft (2.1 m) wide.
Short-horned lizards are capable of inflating their bodies up to twice their size and, quite amazingly, shoot blood out of their eyes as a defense mechanism.
As profoundly social beings, chimpanzees need relationships. Just like humans, they cry, whimper, laugh, and hoot to express their emotions and feelings.
Adjective
relating to light past the violet end of the visible light spectrum
To humans, male and female butterflies may look the same, but butterflies are able to identify each other easily because of ultraviolet markings on their wings.