lovely bird chorus, plus I like the deer barks being off to one side and in the distance.

I almost captured a barking deer the other night, but by the time I tracked the source of the sound and placed the recorder, the wood fell silent and it was never heard again! I will get lucky one of these days...

Chorus of endemic treefrogs of Taiwan :
莫氏樹蛙 Rhacophorus moltrechti Boulenger, 1908.
台北樹蛙 Rhacophorus taipeianus Liang & Wang, 1978.

Recorded near Jiaping Camp, Yilan County, Taiwan.
13.04.2024 20:40
Sony PCM-D100 + Primo EM272

240413 treefrog chorus, Jiaping, Yilan, Taiwan

Calls of Munjtac deer :
山羌 Muntiacus reevesi (Ogilby, 1839)

Also a chorus of endemic treefrogs of Taiwan :
莫氏樹蛙 Rhacophorus moltrechti Boulenger, 1908.
台北樹蛙 Rhacophorus taipeianus Liang & Wang, 1978.

Recorded near Jiaping Camp, Yilan County, Taiwan.
14.04.2024 04:50
Sony PCM-D100 + Primo EM272

240414 Muntjac deer with tree frogs chorus, Jiaping, Yilan, Taiwan

On a recent family visit to the Lake District (UK) I was awakened every morning by this fella. I admired his commitment. On the quieter Easter Sunday morning I went out to record him, just as the bells of Holy Trinity Church stroke 6am.

Species: Song thrush (Turdus philomelos)
Date & time of recording: 31 March 2024, 05:57 AM
Location: Chapel Stile, Cumbria, UK
Habitat: Heathland
Gear: Sennheiser MKH 8040+30 in MS + MKH8040 on parabolic dish, Sound Devices 744T

Song Thrush Of Chapel Stile

This is quite a rare recording where the infrasound of the lekking male capercaillie is clearly audible. This infrasound is thought to be an indication of male quality and the two bands of 35 Hz and 55 Hz probably travel much longer in the forest than the rest of lek. When males utter their infrasounds just after the "plop" they go temporarily blind so it must be quite exhausting to produce. The males go directly under my microphone and the "crisp" sounds are from dry reindeer moss.

Skogstibble. April 21, 2023.

Mixpre 3ii + AudioTechnica BP4025

Infrasound in lekking capercaillie

A few green frogs recorded in the village of Saint-Silvain-sous-Toulx (Creuse, France) around a watering place near a vegetable garden. In the distance, to the left, other, much more numerous frogs, subjects of another recording.
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Quelques grenouilles vertes (grenouilles communes) dans le village de Saint-Silvain-sous-Toulx (Creuse, France) autour d'un point d'eau près du potager de la maraichère. Au loin, à gauche, d’autres grenouilles bien plus nombreuses sujets d’un autre enregistrement.
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46,26195° N, 2,18256° E
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(Zoom F3, Sennheiser MKH8040, ORTF)

240413 · 9:00 pm · Grenouilles Vertes · Green Frogs (Creuse, France)

Summer has passed, winter is approaching. Until the rains return, the creek is dry, but pools of water remain, here and there, where a few Bibron's Toadlets linger, croaking with a sound somewhat like glass marbles grating and rattling against one another. Small birds flutter down to drink water. Particular birds sighted were Grey Fantails and Red-capped Robins. If you listen carefully, you will hear the sounds of the water as they drink, while hovering in mid-air. Birds heard in the distance include Crimson Rosellas and Grey Currawongs.

A small token towards Earth Day 2024. Macrocosms are woven only out of microcosms. If the microcosms are well, the macrocosm will be well. An unattended recording made with a pair of FEL Clippies (Primo EM172s), draped, hanging, from a branch near the pool, into an F3. Occasional contact sounds are small birds landing on adjoining branches, and sometimes perhaps the branch from which the microphones dangle.

A shorter excerpt from this longer recording, focusing on the sounds of the water as the small birds drink, has also posted here, at https://soundcloud.com/hearingbeings/20240406-small-birds-drinking-water-from-a-small-pool-autumn-excerpt.

Recorded with respect upon the land of the Kaurna people.

2024.04.06 Small Birds Drinking Water from a Small Pool. Autumn. (Long Version)

I got to spend December 2023 recording in several jungle locations in Costa Rica. The experience was wonderful and inspiring. Most of the trip was spent on Osa Peninsula, in lodges that bordered Parque Nacional Corcovado (Corcovado National Park). With nearly 2.5% of the world's species represented, many of them endemic, it is  recognized as one of the most biodiverse regions on the planet.

On the same morning as the previous  Midnight Chorus recording https://soundcloud.com/soundeziner/cr-fincasueno-midnightchorus, a troop of Golden Mantled Howler Monkeys greeted the Dawn and their neighbors (and the rest of the jungle) the only way they know how. Male mantled howlers have an enlarged hyoid bone, a hollow amplifying bone near their vocal cords that gives the ability to generate great "howling"  calls that can heard for kilometers.  Howling allows the monkeys to exercise territory and remain in contact  without expending energy through movement or bearing the risks of physical confrontation. As someone who likes little more than sitting in a forest listening to nature speak, I approve of this lazing behavior.

While this howling is their most well-known vocal characteristic, I'm rather fond of the popping and grunting that warms up to the howl and pads the time in between. It's relatively quiet, and is most noticeable only when near the vocalizing howler. The best description of it that I can think of is like the "vocal fry" not uncommon in many of today's pop singers. Check it out near the start of the first round of howling around 2:40 (link in the comments)

After a first round of loud howls, the group takes a break. With what is known about Mantled Howler activity, they're likely sleeping, or maybe eating. After 20-is minutes, they pick up again for a brief session before settling back down. It's possible they've been moving during this time as they're quieter during this round. Finally, just before Sunrise at 05:38 in the morning, they pick up again, slowly building and then tapering off after nearly 30 minutes of vocal exercising.

After speaking with other recordists, I know I am far from alone as someone who loves their sound, but I I may be one of the few that enjoys waking up to their calls. Every morning I heard this in the distance or nearby was a morning I walked out to breakfast with a big silly grin on my face.

Another voice that has become a personal favorite is the Yellow-throated Toucan, with their rhythmic, bouncing song that seems to carry on forever. There is at least one singing for most of this recording, but you can get your first good listen behind the Howlers at 53:27 or skip ahead to 1:06:02 to hear two singing at each other.

Hummingbirds are abundant, and you'll hear their buzzing wings fly by and around the microphones numerous times. Also coming and going are raucous and noisy Scarlet Macaws and Red-lored Parrots, a lone Red-eyed Tree Frog, a visiting Little Tinamou, and more. 

I'll point out a few voices along the way in the comments, but I'm out of my depth when it comes to identifying neotropical birds, so I'll largely let the ecosystem speak for itself. Feel free to poke around with links in the comments to scoot around the recording, or just let it play out over your morning coffee like I do.

Feel like seeing some fancy colors? I've been playing at visualizing soundscapes lately. Check out the video for this recording on YouTube: https://youtu.be/duxU2INkyXI?si=xhIrgiHiOSOk922l

AMNS Costa Rica 01

Golden Mantled Howlers at Dawn

Southern Crested caracara (Caracara plancus)
Background species Southern Lapwing and...

Location: Perito Moreno National Park, Santa Cruz, Argentina
Date and time: 16 January 2010, 7:25 AM

Crested Caracara, Perito Moreno National Park

Accompanied by Starlings, Reed Warblers, distant corvids

Grasshopper Warblers

I was lucky to visit Xinjiang back in 2011. This recording is from Tianchi Lake, situated at an altitude of 1900m above sea level. It is an alpine glacial lake surrounded by montane forests. It is also a major national tourist attraction, one of the AAAAA (5A) areas area of outstanding beauty designated by the Ministry of Culture and Tourism. It’s essentially an area prepared for mass tourism, which in china means big numbers.

However, a short walk up the forested slopes and away from the main visitor centres there is tranquillity to be found. And that is where I recorded this summer soundscape with playful nutcrackers.

Main Species: Spotted Nutcracker (Nucifraga caryocatactes) 
Background whistling: Black Kites (Milvus migrans)
Habitat: Alpine Forest
Location: Tianchi Lake, Xinjiang Uygur Autonomous Region, PRC
Time and date: 13 July 2010, 11am

Gear: (Associate links)
Fostex Fr2-LE
Rode Nt4 https://amzn.to/4bcROVi 
Nikon D40 https://amzn.to/4dedVMC

Nutcrackers of Tianchi Lake

Wildlife Sound Recording Society (WSRS) 2018 Competition 
- Individual Reserved Winner

I'd headed into Senonches forest to record the dawn chorus. I found a nice spot that was fairly open so set my mics up, then ran some long cables off to the side so I could sit down. I'd been recording for around 20 minutes when a Roe Deer came walking by, probably on it's way to drink from the nearby pond. It was only about 15 metres from where I was sitting and when it saw me, it ran off, then started barking loudly. Roe Deer bark (often repeatedly) when alarmed, so I had clearly surprised it.

Recorded with a Sound Devices 722 and 2 x Sennheiser MKH8040s on 09.04.17
Photo courtesy of Paul Appleton - Creative Commons License

Roe Deer Barks - Foret de Senonches, Le Perche, France

Sound recordist Colin Hunter 
Founder of the World Sounds project

Roe Deer Barks - Foret de Senonches, Le Perche, France

World-Sounds.org

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