29-Nov-08. But it isn't as clear-cut as curling up and going to sleep one day; the bear's metabolism eases in and out of the bear hibernation state. Seeing bears is a matter of luck, although I think your odds are probably a bit better in the early spring when the alpine is still all encased in snow and the sleepy bears are crawling out of hibernation, hungry, so they amble down into the valley bottoms to find whatever early season greenery and … Everyone wants to know how they can optimize their chances of spotting the iconic wildlife of the Canadian Rocky Mountains. By fall, they are up to 30-40% larger. Bears usually stay in dens between November and April, but will come out to … Black bears emit a variety of vocalizations to communicate with other bears and other species. Males den alone, as do pregnant females (they give birth in the den). ... To find out … The grizzly bear (Ursus arctos horribilis) is omnivorous, making it an apex predator, a foraging herbivore and a scavenger all at once. Bears line their dens with bark, grasses and leaves. do you mean length of time, like say compared to the high country? Along with vocalizations, bears use posturing to communicate dominance or subordination, and to express attitudes. Both species come in many colours. In wilderness areas, the diet of the black bear is about 95 per cent vegetation and about 5 per cent insects, mammals and birds. A lot of it has to do with luck and being at the right place at the right time. Bears are generally out of hibernation from early April through November. Grizzly bears vary in weight depending on their location and the food available, but boars are typically around 400-790lbs while sows are generally 290-440lbs when they emerge from hibernation in the spring. One of the aspects of a bear's habits and life-cycle is hibernation. I'd like to find out if the bears in the Oregon coast range hibernate differently than areas that have "real winters" with cold temps, snow etc? Black bears tend to be most active at night, but may feed or travel at any time. The American black bear (Ursus americanus) is the most common and widely distributed of the three bears found in Canada. How can I be safe when exploring bear country in Banff National Park? Summer Hosts Normal Activity. The most noticeable differences between black bears and Grizzlies are in their snout and back. Diet. Females tend to select more sheltered sites than males. 29-Nov-08. Hibernation in bears more closely resembles resting than the deep torpor characteristic of other species. Western Wildlife Outreach ... Bears do not defecate while in hibernation. From: Elksnout. ... black bears can be white. From: Kurve. There are certain areas where animals are known to frequent, but part of the magic of visiting the Rocky Mountains is that you never know when you are going to see something.