or log in
This prosimian is an excellent example for a species' evolution in geographical isolation.Lemur...
Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.
A transitional form between fish and tetrapods, or four-limbed vertebrates.
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
Extinct proboscidea closely related to today's elephants, often hunted by prehistoric man.
Cattle typically live in stables. They were domesticated around the same time as swine. Cow's...
A species of snake widespread in Europe and Asia.
The fat-tailed scorpion is one of the world's most dangerous scorpions.