Animals

The distinctive feature of this bird is its huge bill. Not everyone liked its appearance, however. The French naturalist Georges-Louis Leclerc de Buffon called the beak of the toco toucan a "gross monstrous" addition.

White-browed tit-warblers are very colorful.

Most octopuses lead solitary lives, but we also encounter species that live in larger communities.

There are approximately 20,000 quokkas left in the world.

Realistic illustrations of the dodo bird were recorded on the ship’s log by the sailor Gelderlandt in 1601-1603.

Quokkas are relatively small for macropods.

Cubs are hidden in dense vegetation for the next eight months during which are cared for by their mother.

Earthworms, depending on the species, can reach a length of 1 centimeter to 1 meter.

The Arabian oryx is the first species to go from being classified as extinct in the wild to endangered by the world authority on endangered species, the International Union for Conservation of Nature.

Glass frogs are active during night.