Here is a sample of 30 min long of similar sounds.

Recorded in the oldest rainforest on Earth (one of the oldest), in Belum-Temenggor (Malaysia) during the night. 
We placed drop rigs attached to trees near salt licks.
One elephant found one of our rig, and detached it, then play around, eating mud, chewing and blowing with its trunk. 
Then he completely destroyed the gear. Hopefully we were able to read the memory card.

Wild Elephant Munching Mud, Blowing Trunk, Then Destroying Recorder

Ancient Forests Morning Soundscape, Distant Gibbons Symphony, Belum Temenggor, Malaysia

Quimera nocturna

Quimera Nocturna

Ampoa

Ambience Tropical Cloudforest Night Cricket Chorus With Slight Wind Loop

Vocalizaciones de la "rana verde de Mehuín", Insuetophrynus acarpicus.
El canto de esta rana fue presentado y descrito por primera vez  por Felipe Rabanal y Carmen Úbeda (2022), en el XIII Congreso chileno de Herpetología, organizado por la Asociación Red Chilena de Herpetología. La descripción detallada de estas vocalizaciones, desconocidas hasta ese entonces, están prontas a salir en una publicación en una revista científica.
Esta rana es una especie endémica de La Región de Los Ríos, y se conoce sólo en algunos arroyos fríos de montaña. Se encuentra categorizada como en Peligro Crítico de Extinción por el Reglamento de clasificación de especies de Chile (RCE).
Registro realizado en Mehuín, Región de Los Ríos, por Felipe Rabanal.

Insuetophrynus acarpicus

recorded 12/2016 with 2xAT4022/Olson Wing/SD302/Tascam DR-40

species include Russet-backed Oropendola, Yellow-rumped Cacique, Black-fronted Nunbird, Grey-capped Flycatcher and distant Howler Monkeys

Afternoon by the Oropendola Tree [Peruvian Amazon]

ORTF, recorded in 07/21/17 Hopfing, Austria

Yellow-bellied toad (Bombina variegata)

05/07/17 near Ingerkingen, Germany. Recorded w/ 2x4022 in Olson wing. Air temp. 12°C. European Tree Frog (Hyla arborea) and Northern Lapwing (Vanellus vanellus) heard in background.

Natterjack Toad (Epidalea calamita) @12°C

This recording was awarded the Silver Fox 2018. The Silver Fox is the overall winner of the annual competition of the Wildlife Sound Recording Society. This is the long version of the recording - the competition entries are allowed to be max. two minutes long.
Recorded 2017 at the Amazon Refuge Lodge in Loreto, Peru. 2 x AT4022 omnis in an Olson Wing array.

WSRS Silver Fox Award 2018 - Afternoon by the Lodge

Common Frogs recorded on hydrophones 6th March 2019 at Joe's allotment

Common Frogs Hydrophones

Proyecto de divulgación de la batracofauna chilena

Insuetophrynus acarpicus

Anfibios de Chile

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