A grizzly bear walks up a scree slope in Wyoming. Boulder fields in the high in the mountains are ideal places for bears to find army cutworm moths, which they eat in large quantities. Photograph ...

According to the National Park System (NPS), grizzly bears are omnivores and more than 90 percent of their diet consists of grass, berries and insects. What they specifically eat may change with ...

They will eat small mammals and spawning salmon when they are available, but rely mainly on vegetation for daily sustenance. Grass, nuts, seeds and berries actually make up 80 to 90 per cent of a ...

Everything a grizzly bear might eat falls into one of these groups. Berries These buffaloberries deliver necessary sugar to a grizzly bear’s summer diet. Jillian / Adobe Stock. The cliche that bears ...