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
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EcoFirst
Biologist and naturalist involved in NGO's activities as well as profesionnally
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- @AudreyLooby
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University of Victoria
I am Banting postdoctoral fellow at the University of Victoria, focusing on coastal soundscape ecology and underwater noise pollution. I am also one of the co-leads of FishSounds.net.
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Machine Learning Researcher & Nature Photographer. Building conservation tech for biodiversity monitoring at Wildlife Insights.
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Society for Conservation GIS
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Department of Conservation (New Zealand)
I work with the Terrestrial Biodiversity Team at the Department of Conservation, New Zealand. I'm interested in machine learning and spatial data science.
wekaResearch.com | doc.govt.nz
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GreenLab
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World Wide Fund for Nature/ World Wildlife Fund (WWF)
WWF-Tanzania GIS Specialist/Developer/Trainer
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PhD Student | Cornell University | Smithsonian Institution; My focus is in computational ecology within fishery acoustics
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As a fresh electrical engineer, I am passionate about leveraging technology for biodiversity monitoring, logging, and poaching detection in tropical regions.
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Careers
Job: Conservation Technology Specialist (PT)
Ann Turiano
To assist with creative research project in the DC/VA/MD region
6 January 2023
Careers
Job: maker / workshop technician
Duncan Wilson
We are looking for someone who enjoys the craft of making to come and help run our London based lab.
5 January 2023
Careers
PhD - Sensory ecology of vespine wasps
Duncan Wilson
a technology-led solution to understanding the honeybees of the wasp world
8 December 2022
Link
Acoustic survey data is used to estimate the diversity of critically endangered amphibians in the fragmented forests of Madagascar.
28 November 2022
Link
WILDLABS Digest: 4 November 2022
Stephanie O'Donnell
A new issue of our community digest just went out! Check it out to discover a big platform update, and a summary of all the latest content from across WILDLABS in one easy to scan place!
4 November 2022
Article
New conservation tech articles from Mongabay
Carly Batist
Five articles that include conservation tech published at Mongabay
20 October 2022
Careers
Conservation Technology Intern (Vietnam)
Stephanie O'Donnell and 1 more
*New closing date!* WILDLABS and Fauna & Flora International are seeking an early career conservationist for 12-month paid internship position to grow and support the Southeast Asia regional community in our global...
19 October 2022
Careers
Acoustic Monitoring Biologist (Avian)
Jerry Cole
The Institute for Bird Populations (IBP) seeks a biologist to assist with an autonomous recording unit (ARU) bird monitoring project at California off-highway vehicle recreation parks and other ARU monitoring projects...
19 October 2022
Link
"We develop the use of benthic species as animal oceanographers by combining archival (depth, temperature) data from animal-borne tags, passive acoustic telemetry & citizen-science mark-recapture records for the...
10 October 2022
Careers
Open Position at Cornell - Software/Firmware Developer
Holger Klinck
The Yang Center is seeking a Software/Firmware Developer responsible for designing, developing, improving, and maintaining embedded systems to acquire and process bioacoustic data. The
6 October 2022
Article
Audio Across Domains Workshop 2022
Tessa Rhinehart
A collaborative and cross-disciplinary meeting of audio data scientists spawns creative research collaborations
3 October 2022
August 2025
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September 2025
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Recently updated products
| Description | Activity | Replies | Groups | Updated |
|---|---|---|---|---|
| Fascinating article, combining machine learning and acoustical signals to correlate coral reef health.https://www.sciencedirect.com/science... |
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Acoustics, AI for Conservation, Marine Conservation | 3 years 2 months ago | |
| My name is Frank Short and I am a PhD Candidate at Boston University in Biological Anthropology. I am currently doing fieldwork in Indonesia using machine-learning powered passive... |
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Acoustics, AI for Conservation, Animal Movement, Data management and processing tools, Early Career, Emerging Tech, Ethics of Conservation Tech, Protected Area Management Tools, Software Development | 3 months 1 week ago | |
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Latin America Community, Acoustics, AI for Conservation, Camera Traps, Drones, Early Career | 3 months 2 weeks ago | ||
| There are a lot of parameters in principle here. The size of the battery. How much time in the field is acceptable before a visit? Once a week? Once a month? How many devices you... |
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Acoustics | 3 months 2 weeks ago | |
| Hi Tom! I think the furry windjammer must be outside the casing to have the desired effect. It can be a bit tricky having this nice furry material that birds and other critters... |
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Acoustics | 3 months 2 weeks ago | |
| Hi Lana,"similar field setup" means that the vocalizing animal should be surrounded by the recorders and you should have at least 4 audiomoths recording the same sound, then the... |
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Acoustics | 3 months 2 weeks ago | |
| New stable release : v1.5.1We are pleased to announce the latest release with several important enhancement, fixes and documentation improvements to ensure compatibility with the... |
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Acoustics, AI for Conservation, Open Source Solutions, Software Development | 4 months ago | |
| Hello everyone,Thank you all for your contribution!You can read some updates about this project in this post.Julia |
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Acoustics, Community Base, Data management and processing tools, Open Source Solutions | 4 months 1 week ago | |
| Hi all, I'm Vainqueur BULAMBO. I'm looking for a fully funded PhD opportunity in ecological data science or conservation... |
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Acoustics, AI for Conservation, Autonomous Camera Traps for Insects | 4 months 1 week ago | |
| Really looking forward to following this project. I'm very curious how you'll be able to tease out different species, particularly among species that feature a variety of worker... |
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Acoustics, AI for Conservation | 4 months 3 weeks ago | |
| Yep see you on friday |
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Geospatial, Acoustics, AI for Conservation, Camera Traps, Citizen Science, Community Base, Data management and processing tools, Emerging Tech, Open Source Solutions, Protected Area Management Tools | 4 months 3 weeks ago | |
| Hi Danielle, A friend of mine was having a fellowship at K Lisa Yang Center and she successfully built a classifier for Javan Slow Loris. So far I only heard she only made... |
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Acoustics | 4 months 4 weeks ago |
Conservation Tech Directory - new update!
29 August 2022 2:38pm
26 September 2022 10:07pm
Thanks so much!!
Audio Data Across Domains (AudioXD) Workshop
6 June 2022 3:52pm
1 September 2022 11:46am
Great minds Alice!! I'd actually sent your workshop to justin separately this morning because of the alignment with audioxd.
As for joining things up globally, I think you're right. Looking at all that's happening in the bioacoustics community right now, seeing all these sort of events, what's happening with the bioacoustics stack exchange, and hearing the conversations that are happening - and it feels like such an opportune time to find a way to support all of these efforts link up and join forces. We have some plans on this front that will mean we'll be able to provide coordination support to help, and I'm interested to hear what people think is needed.
Steph
1 September 2022 3:21pm
Thanks Alice, and great to hear from you and Steph about the work that you all are leading. It would be great to follow up on the idea of doing more international collaboration in the ecoacoustics/bioacoustics space. If you're interested, feel free to drop me a line to catch up sometime about ideas.
Also, something of a side note, but we'll also have a Wildlabs blog post up summarizing the AudioXD meeting soon, hopefully.
26 September 2022 9:22pm
I love the idea of increasing international collaboration and inclusion within acoustic monitoring! I think there particularly needs to be more collab'ing between the terrestrial & aquatic/marine acoustic monitoring folks!
It would be great for more virtual/hybrid events to foster such international inclusion, so anything to facilitate that sort of online platform would be awesome!
There is also the new Bioacoustics Stack Exchange for Q&A. And the upcoming IBAC conference in Japan next October (2023).
Ecological Forecasting Initiative's data analysis webinar series
26 September 2022 6:50pm
New paper: A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems
26 September 2022 2:11pm
A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems | Environmental Monitoring and Assessment
Aquatic biotelemetry increasingly relies on using acoustic transmitters (‘tags’) that enable passive detection of tagged animals using fixed or
Mangrove soundscape
27 August 2022 4:57pm
29 August 2022 2:47pm
You might check out the devices listed in the Conservation Tech Directory - you can search for 'acoustic recorder' or 'ARU' or something like that.
The most common off-the-shelf models (other than Frontier Labs' BARLTs mentioned above😊) are Open Acoustic Devices Audiomoths & Hydromoths (which may be particularly useful for you since they come in completely watertight cases that can be stuck underwater for deployments), Wildlife Acoustics' SongMeter series, and Cornell Lab of Ornithology's Swift units.
30 August 2022 10:10pm
Camilo--
Are you interested only in airborne sounds or do you want to deploy hydrophones? That decision would inform a lot of other decisions about your purchase of equipment, as would having a clearer picture of your budget.
23 September 2022 5:39pm
Hi there Camilo,
What an interesting project! If you are looking for a lower cost, but effective tools for acoustic monitoring you might want to look into two options:
SoundTraps - are very commonly used and perform quite well:
SonarPoints - these are also a great instrument option:
page/sonarpoint | Desert Star Systems
The SonarPoint system is the third generation of Desert Stars passive underwater acoustics monitoring toolkits.
Senior Conservation Technology Expert Position (Consultancy) with the Global Wildlife Program
22 September 2022 5:35pm
New paper: Passive acoustic monitoring as a tool to investigate the spatial distribution of invasive alien species
21 September 2022 2:07am
New paper: Evaluation of a coastal acoustic buoy for cetacean detections, bearing accuracy and exclusion zone monitoring
20 September 2022 3:00pm
New paper: Soundscapes show disruption across the diel cycle in human modified tropical landscapes
20 September 2022 2:40pm
WILDLABS Journal Club
15 September 2022 11:42am
15 September 2022 12:17pm
Ah Journal club - this was a lot of fun but a little chaotic. We've been wondering if we should bring it back with a slightly different format. ie we all agree on a paper to read before rather than bringing a mix of things to present. What does everyone think? Is anyone else keen? Is there a format you'd suggest we use?
15 September 2022 3:49pm
I have been waiting for journal club to come back!! 10000% down.
I agree with @StephODonnell, would love it to come back!!! And now that variety hour is happening, that's more of the "mix of things" that she mentioned anyways so I think that new format would be great.
Online Course – Introduction to Aquatic Acoustic Telemetry
14 September 2022 6:13pm
CFP - transnational biodiversity monitoring (from European Biodiversity Partnership)
14 September 2022 1:42pm
Join the BirdNET team!
9 September 2022 2:43pm
BOEM job openings
Postdoctoral Fellow in Soundscape Ecology at Purdue University
8 September 2022 4:12pm
Catch Up with the Variety Hour: September 2022
6 September 2022 12:31pm
Postdoc: Noise Impacts on Marine Animals
1 September 2022 9:25pm
New paper - 'soundClass: An automatic sound classification tool for biodiversity monitoring using machine learning'
1 September 2022 8:53pm
Solicitation of Interest: NAVFAC Atlantic Marine Resources
31 August 2022 7:28pm
Acoustics Modeler & Analyst, Marine Acoustics Inc
30 August 2022 9:45am
Conservation Technology Research Internship
26 August 2022 4:58pm
New paper: Acoustic indices as proxies for biodiversity: a meta-analysis
22 August 2022 4:03am
Ceres Wild Rhino application
22 August 2022 1:29am
29 September 2022 4:05am
Replacement acoustic membranes for Audiomoth case
31 May 2022 2:15pm
9 June 2022 11:35am
Hi carly,
You've probably seen this already as we tagged you, but I'm dropping it here in case anyone else is having the same issue!
We used the plastic from a stronger A4 plastic folder-case taped. Don't know the type, the one we keep our fieldnotes...
— Attila D. Sandor (@adsandor) June 9, 2022
9 June 2022 1:09pm
@alex_rogers jumping in too:
@groupgetscom has the original vent fitted to the case in stock and available individually - https://t.co/IozIRPVPOS. There is also a UK-based specialist who can provide small numbers of vents - https://t.co/wrQy80Xx0I.
— Alex Rogers (@alex_rogers_cs) June 9, 2022
20 August 2022 9:49am
Alex,
which one of those
https://selectronix.co.uk/collections/waterproof-acoustic-vents
would be the appropriate for the Audiomoth case?
Agus
Looking for plant and animal eco-acoustics specialists in the Alps
10 August 2022 3:01pm
10 August 2022 3:24pm
Hey maya,
If you're free - come along to our Variety Hour call next week and ask folks there too. We're keeping the last 10 mins open for people to jump up and put out calls like this!
Steph
Catch Up with the WILDLABS Variety Hour: August 2022
10 August 2022 11:44am
Product Grant Program
9 August 2022 7:09pm
African Bioacoustics Conference 2022
5 August 2022 3:08pm
IBAC Online Symposium 2022 - Frontiers in Bioacoustics
5 August 2022 2:42pm
Opportunity: Postdoctoral Researcher
4 August 2022 9:08pm
23 September 2022 5:26pm
Congrats on the milestone Carly and Gracie!