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This bat pulled a figure-4 while following me up 'Tomb of Pharaoh' on the Sphinx in the Flatirons of Boulder, CO.
ID 105839460

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Tony B
Jul 6, 2006
This bat pulled a figure-4 while following me up 'Tomb of Pharaoh' on the Sphinx in the Flatirons of Boulder, CO.  
Dave Fiorucci
Boulder, Colorado
Dave Fiorucci   Boulder, Colorado
I am pretty sure that this is a "Big Brown Bat" aka Eptesicus Fuscus.

wildlife.state.co.us/Wildli… Aug 30, 2007

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