Any of numerous medium to small insectivorous bats found worldwide in caves and trees and buildings WordNet 3.0 & Open English WordNet

Brown bat may refer to: Little brown bat, Myotis lucifugus, one of the most common bats of North America Big brown bat, Eptesicus fuscus, native to North America, Central America, the Caribbean, and extreme northern South America Argentine brown bat,, a bat species from South and Central America. Wikipedia

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