During the summer months in the Yellowstone area, these moths congregate on sub-alpine plants located above the timberline at elevations higher than 10, feet. During the early morning hours these moths drink nectar and then during the day they cluster on the surrounding rocks.
Grizzlies from all around climb to these high elevations to consume 10, to 20, of these moths a day. At times like this, when food is abundant, numerous grizzlies will congregate and feed together. Once the food source is depleted, the grizzlies will go their separate ways in search of other food Bauer and Bauer , p Kodiak bears generally rely on the same types of food as grizzlies, with one addition.
Living in coastal areas provides these bears with a rich supply of protein. Paws: Grizzly bear paws are black or brownish in color with wrinkled skin on the pad Brown , p Shoulder Hump: Brown bears have a distinguishing shoulder hump. This hump is actually a mass of muscle, which enables brown bears to dig and use their paws as a striking force Brown , p Claws: Brown bear claws are long and curved, ranging in color from yellow to brown.
In rare cases grizzlies have been observed with white claws. These claws are used to dig up roots and bulbs of plants as well as to excavate den sites Brown , p Tracks: The toes fall close together and nearly in a straight line in a brown bear track. The toe pads are generally touching each other with the smallest toe on the inside of the track.
Impressions from the fore claws are usually found far in front of the toes because the claws are twice as long as the toe pads. The front tracks of brown bears measure inches long excluding heel and inches wide.
Coloration: Grizzlies range in color from white, blonde, brown, black and shades thereof. The tips of most fur are lighter in color giving them a grizzled effect Brown , p Growth and Development: Brown bears can weigh pounds at the end of their first year of life.
They reach sexual maturity between 4 and 5 years and are considered fully grown by 8 to 10 years of age Brown , p Weight: Females reach their maximum weight of to pounds in 8 years. Males reach their maximum weight of to pounds in 12 years. View our Privacy Policy. An often asked questions from the guests a Grizzly Bear Lodge is: Is that a male or female grizzly?
Some guidelines we use to go by are: The male is usually bigger and his head appears to be smaller in comparison to his body. Females appear to have shorter legs and are a bit more squat in appearance. The body difference is often hard to determine unless there are several grizzlies together. And of course in the spring when they have not had time to fatten on the salmon it may be even harder to determine the difference. In the May and June the mating season the male has a swagger, often walking with a swaying walk with their hind legs farther apart than normal.
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