In 1997, Ethan received his M.S. in Raptor Biology from Boise State University, studying dispersal behavior of juvenile Western Screech-Owls in southwestern Idaho.
Ethan was a Wildlife Biologist with Trec, Inc. from 2003 to 2005.
In 2006, Ethan was a Senior Wildlife Biologist for Hayden-Wing Associates in Laramie, Wyoming.
From 2008 to 2009, Ethan was a Fishery Crew Leader for the University of Idaho.
In 2009, he received his Ph.D. in Fish and Wildlife Resources from University of Idaho, studying snowshoe hare nutrition in a conifer forest.
Since 2010, he has been a Soil Ecologist with Rocky Mountain Research Station; Moscow Forestry Sciences Lab.
Selected publications since Boise State University graduate school:
Ellsworth, E., L.A. Shipley, and D.L. Murray. In press. The influence of woody browse composition and availability on winter feeding patterns of a southern snowshoe hare population. Wildlife Research.
Ellsworth, E., K. Nagy, and D.L. Murray. In review. Effects of supplemental food on energetics in free-ranging mammals: do snowshoe hares increase or decrease their expenditures? Journal of Mammology.
Murray, D.L., E. Ellsworth, and A. Zach. 2005. Assessment of potential bias with snowshoe hare fecal pellet-plot counts. Journal of Wildlife Management 69:385-395.
Murray, D.L., J.D. Roth, E. Ellsworth, A.J. Wirsing, and T.D. Steury. 2002. Estimating low-density snowshoe hare populations using fecal pellet counts. Canadian Journal of Zoology 80:771-781.