21. The family Otariidae ( Order Carnivora ) contains the 14 extant species of fur seals and sea lions. 22. For its size, the spotted hyena has one of the most powerfully built skulls among the Carnivora . 23. However, hamsters are from the Rodent order while Skunks are in the family Mephitidae of the order Carnivora . 24. Some carnivora , including the red fox and martens, are known for engaging in surplus killing of birds. 25. :The simple answer is that the order " Carnivora " is not inclusive of all carnivores. 26. This may be why they were out-competed by better-adapted animals like the hyaenodontids and later Carnivora . 27. "' Polecat "'is the common name for mammals in the order Carnivora and subfamily Mustelinae. 28. Like the earlier viverravids, they possessed a true pair of carnassial teeth and therefore are related to order Carnivora . 29. Feliformia stands in contrast to the other suborder of Carnivora , Caniformia ( " dog-like " carnivorans ). 30. Rodents account for roughly one quarter of all species, followed closely by mammals from the Cetacea and Carnivora families.