Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Rangewide Giant Kangaroo Rat Surveys & Monitoring Optimization

Adult Heermanns kangaroo rat


March 2016 - December 2018


The goal of this project will be to determine the current range and status of the state- and federally-endangered Giant Kangaroo Rat (GKR).
Due to the ongoing drought, and concerns over long-term permanent changes in climate within GKR habitat, there is a critical need to understand population dynamics within all GKR colonies across their range. As the five-year review in 2010, the status of GKR in many parts of its range was unknown and the most recent surveys of the satellite colonies occurred in the late 1980s. Acquiring baseline data throughout the range of GKR is necessary for long-term management and recovery of the species as well as assessing the potential impacts of development projects.


Current Staff

Federal Staff: 95

Masters Students: 239

Phd Students: 142

Post Docs: 53

University Staff: 240

5 Year Summary

Students graduated: 701

Scientific Publications: 1936

Presentations: 4260



  • Margaret WilzbachCo-Principal Investigator

Funding Agencies

  • California Department of Fish and Wildlife


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey