Acoustic sensors enable efficient and non-invasive monitoring of a wide range of species, including many that are difficult to monitor in other ways. Although they were initially limited in application scope largely due to cost and hardware constraints, the development of low-cost, open-source models like the Audiomoth in recent years has increased access immensely and opened up new avenues of research. For example, some teams are using them to identify illicit human activities through the detection of associated sounds, like gunshots, vehicles, or chainsaws (e.g. OpenEars).
With this relatively novel dimension of wildlife monitoring rapidly advancing in both marine and terrestrial systems, it is crucial that we identify and share information about the utility and constraints of these sensors to inform efforts. A recent study identified advancements in hardware and machine learning applications, as well as early development of acoustic biodiversity indicators, as factors facilitating progress in the field. In terms of limitations, the authors highlight insufficient reference sound libraries, a lack of open-source audio processing tools, and a need for standardization of survey and analysis protocols. They also stress the importance of collaboration in moving forward, which is precisely what this group will aim to facilitate.
If you're new to acoustic monitoring and want to get up to speed on the basics, check out these beginner's resources and conversations from across the WILDLABS platform:
Three Resources for Beginners:
- Listening to Nature: The Emerging Field of Bioacoustics, Adam Welz
- Ecoacoustics and Biodiversity Monitoring, RSEC Journal
- Monitoring Ecosystems through Sound: The Present and Future of Passive Acoustics, Ella Browning and Rory Gibb
Three Forum Threads for Beginners:
- AudioMoth user guide | Tessa Rhinehart
- Audiomoth and Natterjack Monitoring (UK) | Stuart Newson
- Help with analysing bat recordings from Audiomoth | Carlos Abrahams
Three Tutorials for Beginners:
- "How do I perform automated recordings of bird assemblages?" | Carlos Abrahams, Tech Tutors
- "How do I scale up acoustic surveys with Audiomoths and automated processing?" | Tessa Rhinehart, Tech Tutors
- Acoustic Monitoring | David Watson, Ruby Lee, Andy Hill, and Dimitri Ponirakis, Virtual Meetups
Want to know more about acoustic monitoring and learn from experts in the WILDLABS community? Jump into the discussion in our Acoustic Monitoring group!
Header image: Carly Batist
Michigan Natural Features Inventory (MNFI)
Wildlife ecologist
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Researcher at Forest Research Institute Baden-Wuerttemberg, Passive acoustic monitoring of woodcock
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Zoological Society London (ZSL)
Monitoring & Technology Lead, Conservation & Policy, ZSL
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PhD Student working on acoustics and hunting in tropical forests
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Dzanga-Ndoki national park biodiversity monitoring
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- @HannahJasinski
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Orthoptera conservationist bioacoustics
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Article
Authors: Danielle I. Rappaport, Anshuman Swain, William F. Fagan, Ralph Dubayah, Douglas C. Morton
29 May 2022
Community Announcement
Apply now: Women in Conservation Technology Programme, Kenya
Stephanie O'Donnell
Are you an early career Kenyan conservationist looking to explore emerging conservation technologies while networking with a strong cohort of other female leaders? Apply now for our 6-month Women in Conservation Tech...
8 March 2022
Article
Introducing the WILDLABS On the Edge Fellows
WILDLABS Team
We're proud to introduce the first WILDLABS On the Edge Fellows for 2022, Loretta Schindlerova and Meredith Palmer! Working alongside expert Edge Impulse mentors, these two fellows will use embedded machine learning to...
10 February 2022
Article
GroupGets: AudioMoth Underwater Case
Open Acoustic Devices
Don't miss your chance to order the AudioMoth Underwater Case through GroupGets! This campaign is for a waterproof case designed specifically for AudioMoth version 1.2.0 (without the 3.5mm socket), and for use at depths...
11 January 2022
Article
New Paper: HydroMoth Testing
Open Acoustic Devices
Open Acoustic Devices have tested their new HydroMoth, an affordable marine acoustic tool that could open up new avenues for marine conservationists without budget for expensive hydrophones. Read the newly published...
5 January 2022
Article
Deep Learning for Marine Ecology and Conservation
Ellie Warren
This article provides a review of deep learning (predominantly ML) used in marine ecology and considerations for its future directions in conservation. In plain language, the authors provide a methodology for training...
20 December 2021
Article
MBARI shares trove of marine acoustic data
Monterey Bay Aquarium Research Institute (MBARI)
The Monterey Bay Aquarium Research Institute has an extensive acoustic archive from underwater recordings and has made their valuable dataset available to researchers around the world via an open data registry on the...
5 November 2021
Funding
Opportunity: μMoth v1.1 Group buy
Open Acoustic Devices
GroupGets has a Group buy campaign for a μMoth v1.1(Round 2), that runs till Sat, 06 Nov 2021 12:55:00 PDT. The μMoth v1.1 goes for a Single-unit price of $99.99 + shipping.To join this buy, kindly visit this page
4 November 2021
Article
This article outlines how acoustic monitoring of bird species provides a means to study ecosystems with minimal disturbance and over wide areas. Birds are excellent indicator species, therefore, monitoring their trend...
21 October 2021
Article
In David Savage's Technical Difficulties case study, he discusses lessons learned from working with bioacoustic tools in the field and dealing with damages caused by environmental factors and wildlife. Download this...
12 October 2021
Article
GroupGets: μMoth Now Available
Open Acoustic Devices
The new μMoth is now available on GroupGets! These units are going quickly, so join the order quickly to be among the first to try the world's smallest full-spectrum acoustic development board! Join the GroupGets order...
27 May 2021
Article
New Papers: Remote Sensing in Ecology and Conservation
Zoological Society London (ZSL)
ZSL's Remote Sensing in Ecology and Conservation journal has released new research for early view before inclusion in an issue. See the full list of recent open access research papers on RSEC.
22 April 2021
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Wildlife Acoustics
61 Products
| Description | Activity | Replies | Groups | Updated |
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| Awesome stuff!! Interested in what kind of recorders you are using and how are you sync'ing them for the TDOA? |
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Acoustics | 2 years 11 months ago | |
| Jamie's tip piqued my curiosity, so I bought what I thought might be what Jamie was talking about. It is an SK-001 as detailed here (not my video) for SGD4 or thereabouts.... |
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Acoustics | 2 years 11 months ago | |
| Hi Eric, Dropping in a reply we had over on Linkedin here. Annoyingly I can't do a snazzy embed of the comment - will fix that!Anton Baotic shared: I guess it depends on... |
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Acoustics, Early Career | 2 years 11 months ago | |
| Thank you @carlybatist , @Freaklabs and @MK . The inputs are very useful and I am progressing on my project based on that. Appreciate a lot. |
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Acoustics, AI for Conservation | 2 years 11 months ago | |
| Hi Julien,I use this mic for my raspberry pi setup and it works well picking up bird species singing in our garden while the mic and raspberry sit under our roof tiles.Greetings,... |
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Acoustics | 2 years 11 months ago | |
| Koen, Hi - the config for the audiomoth looks fine (you could put a high-pass filter on to cover frequencies 12-96 kHz only). The scheduler is not set (you have 0 files per day... |
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Acoustics | 3 years 2 months ago | |
| Would anyone know about the recommended number of months to conduct acoustic monitoring of sharks. This is part of a small grant project.... |
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Acoustics | 3 years 2 months ago | |
| We've been using 18650 lithium ion protected cells in our BAR recorders since 2013. The protected cells are great because the protection circuitry kicks in to disconnect the... |
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Acoustics | 3 years 4 months ago | |
| Unfortunately, the ASA is currently planning to do an in-person meeting only. Things may change if the COVID situation doesn't improve in May, but it is hard to predict at... |
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Acoustics | 3 years 4 months ago | |
| Hi all, For everyone's reference but also a new one for your list Tessa (just checked and it isn't there yet) - Fuentes, M., Salamon, J., Zinemanas, P.,... |
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Acoustics | 3 years 6 months ago | |
| Hi Nicole-- We've already chatted about this function, and I think the answer is "quite a bit" for a lot of deployments. The more accurately the proposed function... |
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Acoustics | 3 years 7 months ago | |
| Hi Wildlabbers, This week's Tech Tutor Jamie MacAulay is talking about how to use and analyze large acoustic data using... |
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Acoustics, AI for Conservation, Marine Conservation | 3 years 7 months ago |
