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- Wynn, Jonathan G., et al. Show all 7 Authors
- Canadian journal of zoology 2013 v.91 no.4 pp. 227-234
- Ursus arctos; adults; animals; carbon; carnivores; collagen; eating habits; keratin; national parks; nitrogen; omnivores; plants (botany); stable isotopes; vegetarian diet; Western United States
- ... The proposed dietary pattern of extinct Late Pleistocene cave bears (Ursus spelaeus Rosenmüller, 1794) has become controversial, as some authors have suggested that they were strictly vegetarian, whereas others maintain they were omnivores that at times ate large amounts of animal protein. We evaluated these alternatives by compiling stable isotope data of carbon (δ¹³C) and nitrogen (δ¹⁵N) from th ...