They follow the vegetation as the green line goes up the mountain. Counts in alpine areas and along salmon streams have been used to tell how many bears on the island. Bears mate in spring and are serially monogamous. Bears are adaptable as long as they can get something out of it. Usually see them where there are high concentrations of food.
Bears can eat up to seven salmon per hour.
If salmon are abundant, bear will eat skin, head and eggs and leave rest. Bears have learned a social order and a language. Bears may eat elderberries to help purge themselves of tapeworm. Can adjust hunting seasons to protect sows. People are part of the environment too.