Homotherium (also known as the scimitar-toothed cat or scimitar cat)[2] is an extinctgenus of machairodontine saber-toothed cats,[3] often termed scimitar-toothed cats, that inhabited North America, South America, Eurasia, and Africa during the Pliocene and Pleistocene epochs (4 mya – 12,000 years ago), existing for approximately 4 million years.[1][4] It first became extinct in Africa some 1.5 million years ago. In Eurasia it survived until about 30,000 years ago.[5] In South America it is only known from a few remains in the northern […]

The cougar (Puma concolor), also commonly known as the mountain lion, puma, panther, or catamount, is a large felid of the subfamily Felinae native to the Americas. Its range, from the Canadian Yukon to the southern Andes of South America, is the most widespread of any large wild terrestrial mammal in the Western Hemisphere.[3] An adaptable, generalist species, the cougar is found in most American habitat types. It is the biggest cat in North America,[3] and the second-heaviest cat in […]

The cave hyena (Crocuta crocuta spelaea), also known as the Ice Age spotted hyena,[1]was a paleosubspecies of spotted hyena[2] which ranged from the Iberian Peninsula to eastern Siberia.[3] It is one of the best known mammals of the Ice Age and is well represented in many European bone caves.[4] The cave hyena was a highly specialised animal, with its progressive and regressive features being more developed than in its […]