Night Heron
When they feel threatened juvenile night herons vomit their stomach contents.
Argentina
Arctotherium
The first fossil from the genus Arctotherium was discovered back in 1852.
Patagotitan
The patagotitan's bones were hollow and air-filled.
Codling Moth
Pupae are able to undergo diapause to survive poor fruit yield years and winter.
Red-Footed Tortoise
Male and female Red-Footed Tortoises move their heads to communicate.
Megatherium
Megatherium probably used its lips more than its tongue when feeling for choice leaves in the treetops.
Pit Viper
Pit vipers's fangs fold up into their mouths when they don't need them.
Vermilion Flycatcher
They have a fast song that lasts up to 10 syllables at max.
Asian Lady Beetle
Asian lady beetles infest indoor spaces, but they do not reproduce indoors.
Leedsichthys
Leedsichthys is one of the largest fish ever discovered
Sharp-Shinned Hawk
In captivity, sharp-shinned hawks can live up to 13 years. However, in the wild, this number is significantly reduced to 3 years!
Muscovy Duck
Unlike most duck species, the Muscovy is silent and only makes noise when excited or threatened.
Executioner Wasp
The Executioner Wasp's sting is one of the most painful in the world.