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
World Wide Fund for Nature/ World Wildlife Fund (WWF)
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- @amykukulya
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Amy Kukulya is an ocean tech innovator and conservationist from the US. She has captured thrilling footage of megafauna using novel biologger and oceanrobotCams—SharkCam, TurtleCam featured across the globe on mainstream media outlets.
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- @TheDataEnthusiastic
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Hi, I'm pursuing Master's in Data Science. And I want work help protect nature and wildlife.
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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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- @fsanger
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TBC is looking for an applicant to lead on the design, analysis and reporting of data from a wide range of innovative bat population monitoring surveys with a particular focus on passive acoustic monitoring, undertake...
24 April 2024
Full-time 3 year postdoctoral fellowship in Escondido, CA
22 April 2024
In a recent publication we tested Underwater Passive Acoustic Monitoring (UPAM) as a feasible non-invasive technique to study the calling behavior of therathened aquatic Andean frogs under natural conditions in the...
6 April 2024
What can soundscapes tell us about ecosystem functioning and health? We are looking to hire a postdoctoral researcher in ecoacoustics for Nature Recovery at Oxford
2 April 2024
Hussey Labs seeks a senior post-doctoral researcher/senior research associate for movement ecology of Greenland halibut in the context of fisheries management across Baffin Bay-Davis Strait, Eastern Canadian Arctic.
13 March 2024
Catch up on the conservation tech discussions and events that happened during World Wildlife Day 2024!
7 March 2024
Do you know anyone interested in this position? Let them know by sharing widely.
27 February 2024
The Ecological Acoustics and Behavior Lab at the University of New Hampshire seeks a PhD student to join our lab to investigate how forest habitat affects moose occupancy and soundscape in northern New Hampshire
13 February 2024
The primary focus of the research is to explore how red deer movements, space use, habitat selection and foraging behaviour change during the wolf recolonization process.
10 February 2024
Applications open for a PhD position in plant vibroacoustics at the University of Southampton
8 February 2024
We demonstrate the power of using passive acoustic monitoring & machine learning to survey species, using ruffed lemurs in southeastern Madagascar as an example.
23 January 2024
Come join our team! We're looking for a Program Officer to join the WILDLABS Community, hosted by WCS in Argentina. This role will support our research program, with the chosen candidate leading our horizon scanning...
22 January 2024
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Description | Activity | Replies | Groups | Updated |
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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... |
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Acoustics | 1 year 8 months ago | |
@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)? |
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Acoustics, Marine Conservation | 1 year 9 months ago | |
The Bioacoustics Stack Exchange has now made it past the private beta stage and onto public beta as of July 26! This means that the site... |
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Acoustics | 1 year 9 months ago | |
Good afternoon,My name is Maya and I am writing to you as an intern at 'Sounding Images', a Berlin-based production company https://www.... |
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Acoustics | 1 year 9 months ago | |
I don't know if this was resolved, but if you copy this code into a python file in the same folder as your .wav files and then run it, it should rename everything. Try testing it... |
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Acoustics | 1 year 9 months ago | |
The Bioacoustics Stack Exchange has reached the Beta stage and is LIVE! It is also in a critical... |
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Acoustics | 1 year 9 months ago | |
Hi just bringing this thread back up to attention: the bioacoustics stackexchange is now up and running in beta form, and could use as much participation as possible to ensure its... |
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Acoustics | 1 year 9 months ago | |
Hmm 20kg raised 5m would only buy you less than half an AA battery assuming 100% efficiency. Lame, so much for that idea. |
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Acoustics | 1 year 10 months ago | |
@gracieermi & I are happy to announce the latest update to the Conservation Tech Directory, bringing our total resources in the... |
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Acoustics, AI for Conservation, Biologging, Camera Traps, Community Base, Data management and processing tools, Drones, eDNA & Genomics, Remote Sensing & GIS, Software and Mobile Apps | 1 year 10 months ago | |
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 | 1 year 10 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 | 1 year 10 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 | 1 year 10 months ago |
RFCx/Arbimon is hiring a Quantitative Ecologist!
11 August 2023 11:50pm
Hydromoth settings
9 May 2022 5:03pm
1 August 2023 5:21pm
Hi Ian,
the otter detection works great but we recorded the otter calls with the Hydromoth outside of the water. Do you plan on recording Platypus underwater?
11 August 2023 8:10pm
Hi Ian,
I have hours of an unidentified creature recorded during overnight recording sessions with mutliple hydrophones. We think it is platypus but there is nothing to compare against that isn't from captive sounds. I am waiting on the Hydromoth to become available again so I can do longer term monitoring.
Acoustic Monitoring and AI to Recognize Elephant Sounds & Gunshots
9 August 2023 11:11pm
This article discusses Cornell's bioacoustics work with AI tools to recognize both elephant "voices" as well as gunshots. The elephant rumbles analyzed in this work are almost imperceptible to the human ear, but can be clearly detected with technology.
#Tech4Wildlife Photo Challenge: Judges' Panel Honorees
4 August 2023 10:00am
European Forum Alpbach
1 August 2023 5:23pm
Senior Technical Specialist, Monitoring & Technology, ZSL
18 July 2023 1:44pm
New Updates to Carbon Mapper Data Portal
12 July 2023 4:57pm
WOPAM Day (World Oceans Passive Acoustic Monitoring Day)
12 July 2023 4:04pm
LABMaker
6 June 2023 3:31pm
8 June 2023 1:59am
GroupGets?
17 June 2023 10:36am
Dear Tom, the AudioMoths are being sold via LabMakers (but I do not know if they construct them for them). Have you been in touch with the AudioMoth team? I am sure they will be able to provide you useful feedback regarding what you are trying to do, and LabMakers.
I have only used them to buy things from them.
Regards, Christos
3 July 2023 4:00pm
Hi Tom,
Seeed Studio also offers manufacturing services. Check out more info on the website here :)
RFCx/Arbimon is Hiring a Data Scientist!
28 June 2023 9:37pm
Bat Identification Tools Comparison
16 May 2023 3:32pm
19 May 2023 12:38pm
The BTO Acoustic Pipeline is free to use up to 100 GB / year (about 50 nights of triggered bat recording). I am not un-biased to comment on performance because I built the classifiers that are used by the Pipeline, but I would strongly recommend that you take a dataset (with everything - not just pulling out the best bat recordings) that you have taken time to manually check, put it through each option that you are considering, and critically compare the performance.
In particular, the largest differences in performance between a good and more poorly performance classifier will be for some of the more cryptic species, so particularly focus on e.g. Myotis species, Plecotus species - if you are in an area where Brown and Grey long-eared bat are present. See how well the approach is able to identify multiple species if present in a wav file - is the classifier just identifying the species with the strongest calls, how well does it identify bat social calls / e.g. is it mis-identifying Pipistrellus social calls as Nyctalus species , how well does it identify weak bat calls in noisy recordings (e.g. does it miss Barbastelle calls in recordings with bush-crickets), does it mis-identify small mammals calls as bats e.g. Brown rat calls as Nyctalus species.
8 June 2023 1:38pm
Hi Stuart, Thanks for your response, and nice to e-meet someone behind the BTO acoustic pipeline! I have been testing out BTO quite a lot recently, and have started comparing results to Kaleidoscope this month, and have been manually checking classification results against raw audio. Will keep you updated with any findings if of interest.
Is there a minimum frequency recording that needs to be taken when uploading the BTO acoustic pipeline? I'm also interested in small mammals, and suspect that 96 KHz should be fine, rather than 192/384 when recording for bats.
22 June 2023 6:57pm
Another option for you could be Arbimon - it's free and does not require any coding/programming knowledge!
The Wildlife Society Conference
19 June 2023 5:59am
Catch up with The Variety Hour: June 2023
16 June 2023 11:43am
Wildlife Monitoring Engineer
8 June 2023 4:54pm
ISO Speakers for Emerging Technologies class.
31 May 2023 4:29pm
31 May 2023 10:21pm
Definitely interested! I'm in the ecoacoustics/acoustic monitoring space, working at Rainforest Connection and Arbimon.
2 June 2023 2:08pm
Carly, that would be great! Thanks! I work with soundscapes and love the work of Rainforest Connection! I'll send you an email (@CUNY) to coordinate!
Frontier Labs BAR-LT Localization Firmware
19 May 2023 11:12pm
2 June 2023 1:46pm
Hi @tessa_rhinehart
Apologies, only just saw this message. Did you end up getting the firmware. I know the Frontier Lab guys and can possibly reach out to them if you are still having trouble. Let me know.
Cheers,
Rob
Funding Opportunity for attending bird-focused events and trainings
2 June 2023 12:54am
Looking for AI volunteer positions
24 May 2023 5:41am
24 May 2023 3:45pm
Hi Donya! You might check out the Conservation Tech Directory to see what projects/organizations/tools best align with your interests and skills.
New Paper: Identification of fish sounds
5 May 2023 12:40am
Xavier Mouy recently shared this new bioacoustics paper on Twitter. This research focuses on identifying fish sounds in relation to specific species through the use of three underwater portable audio-video platforms. The proposed array designs successfully identified fish sounds, and this paper covers instructions for others working in marine bioacoustics who would like to apply these ideas to their own work.
Marine Mammals Research Association (DMAD) and ACCOBAMS Joint Training Course
4 May 2023 1:00pm
Soundscape analysis using eco‑acoustic indices for the birdsbiodiversity assessment in urban parks (case study: IsfahanCity, Iran)
2 May 2023 11:52pm
[Recordings Now Available!) EarthRanger User Conference
27 April 2023 5:52am
Software for marine acoustic monitoring?
25 April 2023 11:53pm
Congo Basin activity?
30 March 2023 9:14pm
25 April 2023 5:08pm
greetings!
i sent you a PM regarding this, feel free to contact me however is most convenient for you -
regards,
chris
HydroMoth GroupGets Campaign is Open
17 April 2023 8:44pm
How do I get started with Bird Audio processing and classification?
17 April 2023 9:11am
World Oceans Passive Acoustic Monitoring Day
14 April 2023 4:36am
17 July 2023 3:05am
Hi Ian, are you in Brisbane? We're based in Brisbane also. You can borrow a few BARLT and Aquarian Audio hydrophones for a little while to compare against your hydromoth. We have localisation also using the inbuilt GPS and software to time align the calls. It'll probably save you time. You can run a microphone and hydrophone on a cable on the one recorder.
Bioacoustic Recorders | Frontier Labs Australia
Leaders in conservation technology since 2011. We design and manufacture professional bioacoustic sound recorders for long term deployment.
Frontier Labs