what do grizzly bears do
Grizzly bears are omnivores, and their diet can vary widely. They may eat seeds, berries, roots, grasses, fungi, deer, elk, fish, dead animals and insects. In the late summer and early fall, grizzlies enter hyperphagia, a period of 2-4 months when they intensify their calorie intake to put on weight for winter denning.eproduction. Grizzly bears are one of the slowest reproducing land mammals. Females do not typically reproduce until they are four or five years old. Grizzly bears mate between May and July, but the femaleâs body delays implantation of their eggs in the uterus until October or November.