A hypocarnivore is an animal that consumes less than 30% meat for its diet, the majority of which consists of

fungi A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

s, and other plant material. Examples of living hypocarnivores are the

grizzly bear The grizzly bear (''Ursus arctos horribilis''), also known as the North American brown bear or simply grizzly, is a population or subspecies of the brown bear inhabiting North America. In addition to the mainland grizzly (''Ursus arctos horr ...

(''Ursus horribilis''), black bear (''Ursus americanus''),

binturong The binturong (''Arctictis binturong'') (, ), also known as the bearcat, is a viverridae, viverrid native to South Asia, South and Southeast Asia. It is uncommon in much of its range, and has been assessed as Vulnerable species, Vulnerable on th ...

(''Arctictis binturong'') and kinkajou (''Potos flavus'') The evolutionary division of

carnivory A carnivore , or meat-eater (Latin, ''caro'', genitive ''carnis'', meaning meat or "flesh" and ''vorare'' meaning "to devour"), is an animal or plant whose nutrition and energy requirements are met by consumption of animal tissues (mainly mu ...

into three groups, including

hypercarnivore A hypercarnivore is an animal that has a diet that is more than 70% meat, either via active predation or by scavenging. The remaining non-meat diet may consist of non-animal foods such as fungi, fruits or other plant material. Some extant exampl ...

and

mesocarnivore A mesocarnivore is an animal whose diet consists of 30–70% meat with the balance consisting of non-vertebrate foods which may include insects, fungi, fruits, other plant material and any food that is available to them. Mesocarnivores are from ...

, appears to have occurred about 40 million years ago (mya). The term hypocarnivory is used with increasing frequency in describing early

Canidae Canidae (; from Latin, ''canis'', "dog") is a family (biology), biological family of caniform carnivorans, constituting a clade. A member of this family is also called a canid (). The family includes three subfamily, subfamilies: the Caninae, a ...

evolution, and reliance upon that survival strategy has a documented history in

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

Borophaginae The extinct Borophaginae form one of three subfamilies found within the canid family. The other two canid subfamilies are the extinct Hesperocyoninae and extant Caninae. Borophaginae, called "bone-crushing dogs", were endemic to North America d ...

during the

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

(23.03 to 5.33 mya). Twenty-five species of hypocarnivore are documented as co-occurring on the North American continent 30 mya. A shift from hyper- to hypo- occurred at least three times among

Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that defin ...

and Miocene

canid Canidae (; from Latin, ''canis'', "dog") is a family (biology), biological family of caniform carnivorans, constituting a clade. A member of this family is also called a canid (). The family includes three subfamily, subfamilies: the Caninae, a ...

s '' Oxetocyon'', '' Phlaocyon'', and '' Cynarctus''. Large hypocarnivores (''Ursus'') were rare and developed in the mid-to-late Miocene-

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58post-carnassial molar volume expands with hypocarnivores while decreasing in hypercarnivores. '' Prohesperocyon'' (38 mya—33.9 mya) displayed a shift in relative proportion between slicing and grinding functions indicative of a dietary shift away from

vertebrate Vertebrates () are animals with a vertebral column (backbone or spine), and a cranium, or skull. The vertebral column surrounds and protects the spinal cord, while the cranium protects the brain. The vertebrates make up the subphylum Vertebra ...

foods to one including fruits.

Sources

Carnivory {{Zoology-stub

See also

Sources