66 citations
,
May 2014 in “Conservation Physiology” This study found that lower salmon availability was associated with higher stress hormone levels in grizzly and black bears, influencing their physiological responses and competitive behaviors.
January 2025 in “Conservation Physiology” This study developed and tested two methods to accurately quantify hair growth rates in polar, black, and grizzly bears using dye application and isotopically labelled amino acids, revealing growth rate variations by individual and season.
30 citations
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March 2017 in “PLoS ONE” In this study, adding δ34S isotope analysis to models modestly improved precision in estimating grizzly bears' salmon and terrestrial diets, but contributed little new information.
5 citations
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January 2007 in “Lincoln (University of Nebraska)” These investigations described in the study demonstrate how geochemical techniques can be applied to biological studies in Yellowstone, finding significant mercury accumulation in trout and grizzly bears which correlates with hydrothermal sources.
5 citations
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May 2021 in “Veterinary medicine and science” In this study, cosyntropin-induced cortisol spikes did not affect hair cortisol concentration in captive grizzly bears, contrasting with stress responses observed in free-ranging bears during capture.