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Dogs are the domesticated subspecies of grey wolves.
Find out the difference between the two species of this magnificent animal: the...
Bats use ultrasound to navigate and hunt for prey.
The American bison is the largest land animal in North America.
Marine mammals, the largest known animals to have ever existed.
The ancestors of Arachnida and Crustacea belonged to the class Trilobita.
Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.