Bear Safety. Brown bear (Ursus arctos horribilis) NPS Photo. When Father Bernard Hubbard first climbed into Aniakchak Caldera in 1930, his first dramatic experience--after the scenery--was an encounter with a female brown bear and her cub. Brown bears remain numerous throughout Aniakchak because of good forage conditions and seasonal availability of ample dietary protein in the form of salmon.
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