what is omnivore
From Wikipedia, the free encyclopedia. An omnivore /ËÉmnivÉÉr/ is an animal whose species normally derives its energy and nutrients from a diet consisting of a variety of food sources that may include plants, animals, algae, fungi and bacteria.lthough cases exist of carnivores eating plant matter and herbivores eating meat, the classification omnivore refers to the adaptations and main food source of the species in general, so these exceptions do not make either individual animals or the species as a whole omnivorous.