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About this sound
Cajun chorus frogs (Pseudacris fouquettei) on a rainy day. Their calls sound like fingers running over a comb. Location: Big Thicket National Preserve, Texas
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
- Cajun Chorus Frogs by US National Park Service – Public domain