Field Notes
U.S. Fish & Wildlife Service
Field Notes Entry   
2013 Indiana Bat Population Estimates
Midwest Region, September 27, 2013
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Every other winter, bat biologists quietly enter caves and mines across 17 eastern states in order to conduct winter bat surveys where the federally endangered Indiana bat (Myotis sodalis) hibernates. These biennial surveys have been routinely conducted since the early 1980s and have created one of the longest-running, comprehensive and most accurate population datasets available for a North American bat species. The Service’s Bloomington Ecological Services Field Office in Bloomington, Indiana, has the recovery lead for the Indiana bat and helps to coordinate the biennial winter surveys and collate the resulting population data. The 2013 population estimates recently were finalized and may now be accessed via the Midwest Region’s Indiana bat website.

2013 Indiana Bat Population Estimates
Contact Info: Andy King, 812-334-4261 x1216, Andrew_King@fws.gov
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