Name: Dawn Chorus, Yosemite NP, Mariposa Grove, Spring 2020 by Dan Dugan
Duration: 54 min 44 s
Description: A lightly-edited excerpt from the Nature Sounds Society's annual soundscape recording in Upper Mariposa Grove, Yosemite National Park. 4:43 AM, June 21, 2020. Mixed down from six channels. Starts soft, gets louder, decrescendos to quiet again. This is the NSS's contribution to World Listening Day, 2020.

The creek stopped flowing but there is plenty of wildlife activity in the dawn chorus soundscape in the creek bed of the East Fork of Coyote Creek. In addition to common wrens, finches, and jays, we hear nuthatches, mourning doves, distant quail, acorn woodpeckers, wild turkey, and perhaps a distant cow. We we also hear the roar of distant civilization and light wind at less than 2 MPH.

For this stereo recording the microphones are Sennheiser MKH-8020 on a Jecklin disk baffle.

This upload has been amplified 17 dB from the original 24-bit recording level.

Dawn Chorus on East Fork Coyote Creek, 6:32am on May 15, 2021

Leeper, PA
05-26-24
Night chorus into dawn chorus

Cook Forest 6:26am

Dusk in Carman Valley in the northern Sierra Nevada. Recorded using AT4022 mics on a Jecklin Disk. Approximately 8pm on June 19, 2016.

Dusk chorus in Carman Valley on June 18, 2016

The coots are fishing, and the California quail are getting excited in this 8+ minutes of mid-spring dawn chorus at Mississippi Lake in Henry Coe State Park in California. The gentle wind sounds like a constant roar in this recording at a place and time that the loudest sound is under 45 dB-SPL.
This Lo/Ro stereo mixdown was recorded originally in 6-channel surround with surround and height microphones (suitable as a Dolby Atmos bed). Front mics are Sennheiser MKH-8020 on a Jecklin disk, surrounds are AT-4022 omnis, and the 12' high height mic is the BP4024 stereo, pointed up.
This upload has been amplified 36 dB from the original 24-bit recording level, the loudest peaks are 4.5 dB below digital maximum.

Dawn Chorus at Mississippi Lake, 5:33am on May 13, 2017

A chorus of uncountable insects dominate this later-morning recording at Carman Valley in the northern Sierra Nevada, near Calpine, California. You’ll hear squirrels barking, nuthatches, blackbirds, jays, bees, flies, and an unidentified distant bark. Given a playback system with good high-frequency definition, you'll find the insect chorus particularly intricate.

This was an amazingly quiet place; a person at the scene might call it silent. This upload has been amplified 34 dB from the original 24-bit recording level, the loudest peaks are 4.5 dB below digital maximum.

This was recorded during the 2017 Field Recording Workshop of the Nature Sounds Society. This Lo/Ro stereo mixdown was recorded originally in 6-channel surround with surround and height microphones (suitable as a Dolby Atmos bed). Front mics are Rode NT-1a in an ORTF configuration, surrounds are AT-4022 omnis, and the 12' high height mic is the BP4025 stereo, pointed up.

Mid-morning soundscape, Carman Valley, 9:46am on June 24, 2017

Amidst the background noise of two busy highways and a small airport, all occupied by vehicles with ineffective mufflers, a coyote chorus erupts in Sierra Valley at 5:17am on June 24, 2017. Toward the end, a Sand Hill Crane “audio-bombs” the scene.

As you'll hear in another clip from the same recording, the Sierra Valley marsh is a noisy place filled with many bird species, livestock, and motor vehicles. But the wildlife diversity in this place makes it hard to pass up as a nature sounds recording site.

This stereo recording was made with a pair of Sennhieiser MKH-8020 omnidirectional microphones, mounted on a Jecklin disk baffle.

Dawn coyote chorus, Sierra Valley, 5:17am on June 24, 2017

"Woodrat Nights" from the collection, SOUNDS OF THE WATERSHED.

A gift for the One Tam Wildlife Symposium attendees with compliments from Gina Farr and MMWD.

Listen to the sound world of one bodacious woodrat living in Ross, CA, and consider...

How many dusky footed woodrats ("packrats") do you think are here?
What is this packrat packing away, and why?
How many owls are vocalizing?  
Where are the owls located in relation to each other? 
What is the risk of the different species of owl vocalizing so close to each other? 
Why do you think this little rat would chance making this much noise with predatory owls nearby? 
How many different species might be making the crunchy steps on the ground? 
What time of year do you think this was recorded? 
Using the movie screen of your mind, can you visually imagine the scenes you hear?

Woodrat Nights _gift from Gina Farr to One Tam Symposium.WAV

Here is a test: first for internal microphones, then for external microphones Primo EM172 Plug In Power.
The order is: internal microphones Zoom H1, Zoom H1n, Olympus LS5; PIP Primo EM172 with Zoom H1, Zoom H1n, Olympus LS5.
There are five shots each part of the test.

Zoom H1, Zoom H1n, Olympus LS5 InternalMIC Vs. PIP Primo EM172 with Zoom H1, Zoom H1n, Olympus LS5

Must be an owl, one two or three hoots call. Possibly great gray owl!

NS200520 22.51.52 GROVE Night 4 great gray owl?

A lightly-edited excerpt from the Nature Sounds Society's annual soundscape recording in Upper Mariposa Grove, Yosemite National Park. 4:43 AM, June 21, 2020. Mixed down from six channels. Starts soft, gets louder, decrescendos to quiet again. This is the NSS's contribution to World Listening Day, 2020.

Dawn Chorus, Yosemite NP, Mariposa Grove, Spring 2020

WARNING: BEWARE OF THE SUBHARMONICS.
The 16th of February 2021 Etna volcano gave a great demonstration of it's power. My house lays at 30km, more or less, from the top of the volcano, this is what it sounded like from my room.

Dawn Chorus, Yosemite NP, Mariposa Grove, Spring 2020

Dan Dugan

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