Jungle night

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Real field recordings. We name the recordist whenever we know who it was.

Noise

Made in your browser, not a recording.

Made sounds

green noise

Made in your browser

The whole 23-second loop, start to end, drawn from the recording itself.

Jungle night is a recording of jungle sounds at night in the Sian Ka'an Biosphere Reserve, Quintana Roo, Mexico. Its source calls it a forest. Felix Blume recorded it on October 27, 2015, and released it under CC0. The source lists some crickets, cicadas, insects and birds (sometimes).

Where was it recorded?

In the Sian Ka'an Biosphere Reserve, in the Mexican state of Quintana Roo. Felix Blume's page states a GPS position, 19.82420, -87.69150, and Freesound's map pin reads "Felipe Carrillo Puerto, Quintana Roo, Mexico." greensound's entry names the place as the Sian Ka'an Biosphere Reserve, Quintana Roo, Mexico, the same name the recording's own title uses.

Is it part of a project?

Its description says it was recorded during the Biosphere Soundscapes Residency, and links to biospheresoundscapes.org. The line above the description reads "Mexico Sian Ka'an - Biosphere Soundscape Project." That is all greensound says about it, because that is all the page says.

What are you hearing?

The source's own words. Its title is "Forest at night, crickets, cicadas and insects in the Sian Ka'an Biosphere Reserve," and its description says "with some crickets, cicadas, insects and birds (sometimes)." greensound names no species and describes no more of the texture, because the source doesn't.

How was it recorded?

Felix Blume's page lists a Sound Devices 788T recorder and a Bruel & Kjaer 4006 stereo AB setup (omnidirectional) with a Cinela Leonard windscreen. The original recording is 96 kHz, 24-bit, and Freesound lists the file at just over five minutes.

How is it different from night wetland?

Felix Blume made both in the Sian Ka'an Biosphere Reserve, three days apart. Night wetland was recorded on October 30, 2015, and its source title names frogs and crickets in a wetland. Jungle night was recorded on October 27, 2015, and its source title names crickets, cicadas and insects in a forest. Both are CC0.

Is it looped?

Yes. What plays is a loop of twenty to forty seconds cut from that recording of just over five minutes, with a 2-second equal-power crossfade baked into the seam so it can't click. The window is chosen to be steady: none of its quarter-seconds is more than 10 dB, about twice as loud, above the window's median. The loop is then turned up or down by one fixed amount to match the other sounds, and any rare loud peak is softened. greensound's owner listened to a preview of the loop and kept it.

Updated October 2026

Where the sound comes from

Jungle night. Recorded by Felix Blume on October 27, 2015, at Sian Ka'an Biosphere Reserve, Quintana Roo, Mexico. Public domain (CC0). License terms Original recording on freesound.org

Listen safely

This is a sound, played back through whatever speaker or headphones you already own. It doesn't diagnose, measure, or promise anything about how you sleep, focus, or feel — it's just noise and a handful of real recordings, mixed the way you like them.

Keep the volume low enough that you'd still notice a smoke alarm, a phone ringing, or someone at the door. If you fall asleep in headphones, choose a volume and a pair you'd be comfortable wearing all night, and a session length that ends when you'd want the sound to stop.

If you use this near a baby, keep the speaker several feet from the crib, never inside or clipped to it, and keep the volume low — the same care you'd take with any sound machine in a nursery.

If your relationship with sound, or with sleep, feels difficult rather than simply restless, a doctor or audiologist is the right person to talk to. This is a mixer, not a clinician.

Is this a real recording or a synthesized sound?

Real. Nothing in it is synthesized. What plays is a loop cut from Felix Blume's original recording, with its level matched to the other sounds.

Is it a jungle or a forest?

greensound calls it jungle night. Its source calls it "Forest at night in the Sian Ka'an Biosphere Reserve," and where we list what is in it, we use the source's words.

Who recorded it, and is it public domain?

Felix Blume, who released it under CC0. Its Freesound page says you can copy, modify, distribute and perform the sound, even for commercial purposes, without asking permission. We credit him anyway, and the link under "Where the sound comes from" goes to the original upload.

Is this sound free?

Yes, fifteen minutes at a time. Any one sound on greensound, this one included, is free to play for fifteen minutes, with a fade at the end; press play again whenever you like. Pro adds the full mixes, layering and longer timers.

Can I play it alongside other sounds?

With Pro, yes, by hand. No ready-made mix opens on it: Sleep opens on night wetland, Focus on jungle rain and Relax on beach waves. The mixer supports up to six sounds at once, so you can add jungle night to a mix you build yourself. Without Pro, one sound plays at a time.