Carnivora is a term applicable to any creatures that feed on flesh or animal substances, but is now applied specially to an order of mammals which prey upon other animals. The head is small, the jaws powerful, and the skin is well covered with hair. Two sets of teeth, deciduous or milk and permanent, are always developed in succession, and in both sets incisors, canines, and molars are distinguishable. The stomach is simple and the alimentarycanal short, thus making the body as light and slender as possible for the purpose of hunting and springing on its prey.
The muscular activity of the Carnivora is very great, their respiration and circulation very active, and their demand for food is consequently constant. Carnivora are often divided into Plantigrada, comprising the bears, badgers, raccoons, etc; Digitigrada, comprising lions, tigers, cats, dogs; and Pinnipedia or Pinnigrada, comprising the seals and walruses. The two former divisions are also classed together as Fissipedia. The typical Plantigrada are distinguished by their putting the whole sole of the foot to the ground in walking, while the Digitigrada walk on the tips of their toes. The Plantigrada are also less decidedly carnivorous, and feed much on roots, honey, and fruits. In the Pinnigrada the body is long and of a fish shape, the fore and hind limbs are short and form broad webbed swimming-paddles. The hind-feet are placed far back, and more or less tied down. to the tail by the integuments. Research Carnivora
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Matt and Leela Probert
Abbreviations
Nature
Research Carnivora
