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Tip: press play to see the sound's live frequency spectrum in blue over the waveform.
About this sound
Green-tailed Towhee song recorded at the Alluvial Fan in Rocky Mountain National Park. Note that Canada Geese and other birds can be heard in the background.
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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Thunderstorm Soundscape from Hollowell Park
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Dawn Soundscape from Big Meadows
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Sources & credits
- Green-tailed Towhee (song) by US National Park Service – Public domain