How do bears diets vary across species (grizzly, polar, brown, black, etc.) and regions? What do bears eat? Learn which bears are mostly carnivorous, which are mostly herbivorous, and what foods they favor. All bears are omnivores. While panda bears have a 99% herbivorous diet, polar bears are mostly carnivores. The other six species are … Continue reading What Do Bears Eat? Diet of All 8 Species (Omnivore Foods)