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Extinct species of fish which had thick ´armour´ protecting the head.
The dromedary is an indispensable animal for inhabitants of the deserts.
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
During the evolution of vertebrates the relative development of brain areas has changed.
Moles are small subterranean mammals with modified, spade-like forelegs.
This bizarre-looking fish uses its bioluminescent lure to catch its prey. The animation...
This little animal has the annoying habit of raiding waste containers and scattering rubbish all...
Geckos can walk on walls or even ceilings. The animation explains this ability.