Mechanisms underlying variation in movements and demography by Great Gray Owls (Strix nebulosa)

This research evaluates the mechanisms underlying variation in movements and demography by irruptive, facultative-migrant species using the Great Gray Owl (Strix nebulosa) as a model system. Specifically, we will assess how variation in prey abundance and climatic conditions influence the seasonal movements, habitat selection, productivity, and survival of this understudied forest raptor.  Our research can lead to improved understanding and management of species that either rely on or must respond to variable resources and environmental conditions, which are becoming more extreme with changing climate.

Adult male Great Gray Owl

Currently, home range size and resource requirements remain relatively unknown for this species throughout its circumpolar range. In Wyoming, the Great Gray Owl is identified as a sensitive species. Our findings will aid in the development of effective conservation strategies for Great Gray Owls, which are critical in the face of declining productivity and changing forest habitat in the Rocky Mountain region.

This research is taking place in Teton County, Wyoming beginning in the spring of 2018 and is a collaboration with Teton Raptor Center and the Wyoming Game and Fish Department.

Contact

Katherine Gura
Wyoming Cooperative Fish and Wildlife Research Unit
Department of Zoology and Physiology
University of Wyoming
Dept. 3166, 1000 E. University Avenue
Laramie, WY 82070
kgura@uwyo.edu

Project Lead

Katherine Gura is a PhD student in Dr. Anna Chalfoun’s lab researching the mechanisms underlying variation in movements and demography by irruptive, facultative-migrant species using the Great Gray Owl (Strix nebulosa) as a model system. Specifically, she will evaluate how variation in prey abundance and climatic conditions influence the seasonal movements, habitat selection, productivity, and survival of this understudied forest raptor. Prior to beginning her graduate work, Katherine conducted field research at Teton Raptor Center in Wilson, WY. MORE »

Katherine holding owl

Funding & Partners

  • Teton Raptor Center
  • Wyoming Game and Fish Department
  • Biodiversity Institute
  • Grand Teton Association
  • Meg and Bert Raynes Wildlife Fund
  • Teton Conservation District
  • UW-NPS Small Grant Program
  • Wyoming Governor’s Big Game License Coalition