bear attacks in North America [ edit ] References ^ a b Garshelis, D.L., Crider, D. & van Manen, F. (2008). Ursus americanus . In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 27 January 2009. ^ Ursus americanus , Mammal Species of the World, 3rd ed. ^ "Abnaki-Penobscot