Field Notes
U.S. Fish & Wildlife Service
Field Notes Entry   
Oklahoma ES does survey for Ozark Big-Eared Bat Roost Sites on Cherokee Nation Tribal Lands in Adair County, Oklahoma
Southwest Region, March 20, 2007
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The Bureau of Indian Affairs proposes to burn about 700 acres of Cherokee Nation tribal lands known as the Candy Minks Spring Unit # 83 (CMS 83), in Adair County, Oklahoma.  CMS 83 occurs in the Ozark Highlands of northeastern Oklahoma and is within close proximity to known roost sites used by the federally-listed endangered Ozark big-eared bat (OBEB).  The OBEB roosts in limestone dissolution caves and large cracks and crevices in sandstone talus.  Biologists with the USFWS and Cherokee Nation surveyed the site for unknown Ozark big-eared bat roost sites due the presence of large areas of sandstone talus on the property.  Surveys for roost sites consist of investigating large cracks and crevices for the presence of bats, recent guano deposits, and scattered moth and beetle wings (the preferred prey of the OBEB).  No evidence of a significant roost site (maternity roost or hibernaculum) was found.  Oklahoma ES believes one large talus crack may serve as a limited use site by transient bats during summer foraging activities based on its size and dimensions.    

Contact Info: Martin Valdez, 505-248-6599, martin_valdez@fws.gov
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