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Brown Bear with Three Cubs, Katmai National Park, Alaska Cubs are born in the den during January and February. Twins are most common, but litter sizes can range from 1 to 4. The cubs emerge from the den in June/July, weighing up to 15 lbs (7 kg) and actively explore the world with the supervision of their mother. Mothers are furiously protective of their cubs, however less than 50% survive. Families typically stay together for up to 3 years. After this time the female cubs usually stay in the area that they were born, and the males leave to other areas.
Brown Bears, Katmai National Park, Alaska
Brown Bear, Katmai National Park, Alaska
