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
Recently accepted into the Rangeland, Wildlife and Fisheries graduate program at Texas A&M.
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- @maddy
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Iam a Doctorate in molecular bology by profession & associated with a tech startup, focued on IoT/sensor based automation solutions. But I spend half of my time to document and conserve local & wildlife arond us and trying to explore our technology in conservation.Love to join
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- @claudlacroix
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PhD fellow using deep learning to investigate marine fish acoustic signals and social behaviour.
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GreenLab
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Over 35 years of experience in biodiversity conservation worldwide, largely focused on forests, rewilding and conservation technology. I run my own business assisting nonprofits and agencies in the conservation community
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Biologist I consider myself a data scientist with a passion for nature and with an extensive experience in species distribution modeling, handling large data sets from different sources such as gbif, eBird, xeno-canto, Worldclim, Terraclimate, ocean color e NASA among others. But
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Article
Rainforest Connection (RFCx) is bringing back the Arbimon newsletter for 2023! We're excited to share new features and tools of the platform, what's coming up, and some insights into our projects on bioacoustic...
23 February 2023
We're very pleased to announce the publication of new 'Good practice guidelines for long-term ecoacoustic monitoring in the UK', produced by Manchester Metropolitan University, Baker Consultants Ltd and a great team of...
23 February 2023
Rainforest Connection (RFCx), in collaboration with USFWS, seek four Puerto Rican field agents to assist in deploying and retrieving audio recorders for a long-term biodiversity monitoring project in and around six...
22 February 2023
Our group once again has openings for Research Assistants to work with us on our bioacoustics projects. A job ad and description of how to apply are below - please feel free to get in touch with any questions!
16 February 2023
The Cornell University Lab of Ornithology is seeking a Software Developer to join the K. Lisa Yang Center for Conservation Bioacoustics.
10 February 2023
You will develop and apply novel approaches and machine learning techniques for the detection, classification and identification of marine fauna from passive acoustic monitoring (PAM) validated with paired visual...
10 February 2023
IMOS Animal Tracking Facility is hiring a Technical Officer to assist with the preparation, deployment and maintenance of acoustic receivers to monitor movements of tagged animals & continue to develop operational...
7 February 2023
Are you excited by the potential for new technologies to help monitor the natural world? Do you enjoy communicating your passion for technology and nature with diverse audiences? We are seeking an enthusiastic...
2 February 2023
Consultancy opportunity at ZSL for an experienced monitoring specialist to support species monitoring in rewilding landscapes across Europe
31 January 2023
Are you stuck on an AI or ML challenge in your conservation work? Apply now for the chance to receive tailored expert advice from data scientists! Applications due 27th January 2023
18 January 2023
WILDLABS and Fauna & Flora International are seeking an early career Vietnamese conservationist for 12-month paid internship position to grow and support the Southeast Asia regional community in our global...
11 January 2023
To assist with creative research project in the DC/VA/MD region
6 January 2023
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43 Products
Recently updated products
Description | Activity | Replies | Groups | Updated |
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Hi all, We wanted to let you know that the AudioMoth is now available on LabMaker. LabMaker are a platform that sell open-source... |
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Acoustics | 5 years 9 months ago | |
I love seeing how much this little device has taken off! |
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Acoustics | 5 years 10 months ago | |
Hi Stephanie, thanks for the update above. We will be doing two things this week to support the community. To meet the demand from Round 3 we require an essential component (... |
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Acoustics | 6 years 1 month ago | |
Hi all - WWF's upcoming Fuller Seminar will focus on biodiversity monitoring using acoustics. Instructions for remote participation are... |
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Acoustics | 6 years 2 months ago | |
Hi everyone, we have received an update from GroupGets on the shipping of the second group purchase. 'Quick update everyone. The boards are scheduled to ship to us... |
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Acoustics | 6 years 4 months ago | |
Thanks for that Steph - and for the link in included. A good set of papers there, and the review by Shonfield & Bayne on 'current use and future... |
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Acoustics | 6 years 4 months ago | |
Good news indeed, Al! I think a new thread is definitely a good idea - this one is getting rather unwieldy. @nilaksha, you might check out @Jan+Kees 's serval... |
+41
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Acoustics | 6 years 6 months ago | |
Great. Let's continue our discussion that through Skype ;-) My skype name is jkschakel and you can email me at [email protected]. I'm available on... |
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Acoustics | 6 years 7 months ago | |
Paul, Hi - is this still needed, as I'm sure we could provide something relating to birds, bats and cetaceans? Thanks, Carlos |
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Acoustics | 6 years 7 months ago | |
Steffen, Thanks for that tip-off, I'd not seen that paper before. One of the speakers at my bird bioacoustics meeting in July covered soundscape ecology, with some... |
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Acoustics | 6 years 7 months ago | |
In an effort to learn more about my group's members, I would like to pose a challenge to all of you. I would like to challenge each of... |
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Acoustics | 6 years 8 months ago | |
Wow, this would be amazing to continue on with the years of data I have from tigers! I understand their social lives are very different but it would be interesting to see what... |
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Acoustics | 6 years 9 months ago |
New paper: A novel method for identifying coded tags recorded on aquatic acoustic monitoring systems
26 September 2022 2:11pm
Authors demonstrated "a low cost, simple method to support acoustic tag surveys by identifying tags both from direct acoustic recordings & by reconstructing code packets from processed C-POD data. Method was applied to decode tag detections from bass & Twaite shad."
Mangrove soundscape
27 August 2022 4:57pm
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:
FrontPage
Welcome to the cutting edge of underwater acoustic recording technology. SoundTrap hydrophones combine the latest low power electronics with meticulously crafted software to create instruments that perform in a league of their own. Check them out here…
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.
Desert Star SystemsSenior 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
Authors developed reproducible passive acoustic monitoring pipeline to rapidly provide baseline information on invasive alien species (IAS); found that IAS occurrence related to high levels of human disturbance.
New paper: Evaluation of a coastal acoustic buoy for cetacean detections, bearing accuracy and exclusion zone monitoring
20 September 2022 3:00pm
Authors "developed a three-hydrophone passive acoustic monitoring system that provides bearing information along with marine mammal detections to allow for informed management decisions in real-time."
New paper: Soundscapes show disruption across the diel cycle in human modified tropical landscapes
20 September 2022 2:40pm
Authors founds dawn & dusk choruses were lost/supressed in plantations, acoustic activity at dawn/dusk reduced in disturbed ecosystems compared to healthy forests.
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
Silva et al -
- R package to train convolutional neural networks & employ them to classify sounds
- sound event classification pipeline, from annotating recordings to automating
trained networks
- case studies with bat & whale echolocation calls, bird songs
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
First seen on Diego Llusia's Twitter - https://twitter.com/DiegoLlusia/status/1561275951463415808?s=20&t=5Z-Do…
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
HydroMoth GroupGets campaign
28 June 2022 11:07am
20 July 2022 3:06am
From Alex on Twitter:
Yes. The HydroMoth has the same microphone and firmware as the standard AudioMoth which is widely used for terrestrial conservation. You would need the standard green case which has a waterproof acoustic vent.
20 July 2022 5:57pm
@Andrew_Hill Out of curiosity, since this campaign reached its goal & is ending soon, is it possible to turn the remaining Hydromoth units that didn't sell into Audiomoths for a limited GroupGets? I understand that Hydromoths can be used terrestrially as well, but they are more expensive than the last Audiomoth campaigns have been by $50+ so just wanted to see if Audiomoths would still be cheaper. Just trying to figure out if I should buy more Hydromoths or wait until Audiomoths start selling again (ends up being a trade-off between cost and time basically).
31 July 2022 5:20pm
@Andrew_Hill I wonder if you could let us know more about the time keeping difference btw the regular AudioMoth and the HydroMoth (which is said to do better)?
Bioacoustics Stack Exchange has reached the public beta stage!
28 July 2022 3:14pm
Looking for specialists in eco-acoustics (Alp region) for Documentary
18 July 2022 5:17pm
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.