Cooperative Research Units
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Temporal and spatial patterns of raptor nest occupancy in areas of CBM


August 2010 - August 2015


Coal bed methane (CBM) development in the Powder River Basin, Wyoming overlaps with breeding habitat for numberous raptor species including the golden eagle, ferruginous hawk, red-tailed hawk, Sainson's hawk, and great-horned owl, two of which (FEHA and SWHA) are listed as Species of Greatest Conservartion Need in the State Wildlife Action Plan. Since 2003, the BLM Buffalo Field Office has collected data on raptor nest occupancy and has requested assistance for more thorough and careful statistical analysis of raptor nest occupancy in relation to CBM and other ecological factors.


Current Staff

Federal Staff: 95

Masters Students: 240

Phd Students: 143

Post Docs: 52

University Staff: 245

5 Year Summary

Students graduated: 702

Scientific Publications: 1948

Presentations: 4253



  • Anna ChalfounCo-Principal Investigator
  • Kenneth GerowCo-Principal Investigator

Funding Agencies

  • Bureau of Land Management
  • Wyoming Game and Fish Department


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey