Autumn Raptor Migration in Yellowstone National Park, 2011–2015

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Baril, L. M., Haines, D. B., Walker, L. E., Smith, D. W  (2017).  Autumn Raptor Migration in Yellowstone National Park, 2011–2015.  The Canadian Field-Naturalist  131(4), 303-311. http://dx.doi.org/10.22621/cfn.v131i4.1909 .