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Nature sound · US National Park Service

Big brown bat

Listen to big brown bat from the US National Park Service sound library. Public-domain recording by the National Park Service.

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Big brown bat
0:09Public domain (US NPS)by NPSNational Park Service
0:09

Tip: press play to see the sound's live frequency spectrum in blue over the waveform.

About this sound

Sound recording of a big brown bat at BioBlitz 2016 in Washington, D.C.

Why parks record sound

The NPS Natural Sounds and Night Skies Division monitors soundscapes in parks across the United States. Natural quiet is treated as a resource to protect, like clean air or dark skies: noise from aircraft, vehicles and machinery can mask animal communication and change the experience of a place.

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Sources & credits