Individual, Group, and Environmental Influences on Helping Behavior in a Social Carnivore
نویسندگان
چکیده
* Montana Cooperative Wildlife Research Unit, University of Montana, Missoula, MT, USA † US Geological Survey, Montana Cooperative Wildlife Research Unit, University of Montana, Missoula, MT, USA § Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada ¶ Yellowstone Center for Resources, Yellowstone National Park, WY, USA ** Idaho Department of Fish and Game, Coeur d’ Alene, ID, USA
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