Cooperative Research Units
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The use of satellite telemetry to evalute migration chronology and breeding, migratory, and wintering distribution of Eastern Population sandhill cranes


August 2009 - June 2014


Eastern Population(EP) sandhill cranes were largely extirpated by the early 1990s, but have recently increased dramatically in abundance, in part due to prohibitions on harvest and management of protected areas where they breed, migrate, and winter. However, little specific information exists about migration ecology of this population, including information about specific stopover and wintering areas. The objectives pf this study are to (1) delineate the breeding and wintering distribution of EP sandhill cranes, (2) delineate migratory corridors for EP sandhill cranes and (3) determine migration chronology. Information from this study can be used to inform the management strategy for EP sandhill cranes.

Research Products and Activities

Peer Reviewed Publications

  • Fronczak, D.L., D.E. Andersen, E.E. Hanna, and T. Cooper. 2015. Annual survival rate estimate of satellite-transmitter-marked Eastern Population greater sandhill cranes. Journal of Fish and Wildlife Management. DOI: 10.3996/042015-JFWM-035 (online early view)
  • Fronczak, D.L., D.E.Andersen, E.E. Hanna, and T.R. Cooper. 2017. Distribution and migration chronology of Eastern Population sandhill cranes. Journal of Wildlife Management. DOI: 10.1002/jwmg.21272. Download  | 


  • Fronczak, David. 2014. Distribution, migration chronology, and survival rates of Eastern Population sandhill cranes. M.S. thesis, University of Minnesota, St. Paul, Minnesota, U.S.A.Website  | 

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



Funding Agencies

  • USFWS Region 3


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey