Ruprecht, J.S., D.E. Ausband, M.S. Mitchell, E.O. Garton, and P. Zager. 2012. Homesite attendance based on sex, reproductive status and number of helpers in gray wolf packs. Journal of Mammalogy. 93:1001-1005. DOI: 10.1644/11-MAMM-A-330.1
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