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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Link
New Paper: Identification of fish sounds
Ellie Warren
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....
5 May 2023
Article
In this research, six acoustic indicators were used to evaluate the sound of the urban soundscape and the sound of birds in urban parks. The results of the research show that there is a significant relationship between...
2 May 2023
Article
HydroMoth GroupGets Campaign is Open
Ellie Warren
If you've been waiting to try a HydroMoth, join the GroupGets campaign before limited supplies run out
17 April 2023
Careers
Project Manager, Rainforest Connection (RFCx)
Carly Batist
The Project Manager will work to implement acoustic monitoring projects in countries worldwide with some of the biggest stakeholders in conservation tech and biodiversity monitoring!
12 April 2023
Careers
Hardware Lead - Biodiversity / Conservation
Ben Williamson
New role at Pivotal Earth
4 April 2023
Link
The WILDLABS Variety Hour: March 2023 - YouTube
Stephanie O'Donnell
If you missed our Variety Hour show yesterday, do not fear! It's already live on youtube for your viewing pleasure. Enjoy!
30 March 2023
Link
Alex Rogers: Acoustic Devices for Biodiversity Monitoring — Smart Forests Atlas
Stephanie O'Donnell
In this radio episode, we speak to Alex Rogers, Professor of Computer Science at the University of Oxford. We discuss how Alex's research team developed the acoustic recording device AudioMoth, how low-cost technologies...
24 March 2023
Article
New paper in Trends in Parasitology discusses how acoustic monitoring can be used to assess presence and overlap of host or reservoir species, disease vectors and human activity.
8 March 2023
Careers
Proposals wanted for Innovation in Practice
Ellie Warren
The Innovation in Practice edition of Methods in Ecology and Evolution is still seeking proposals about conservation technology
6 March 2023
Article
In this study, we used a network of acoustic sensors to record the gun hunting pressure at known hunting sites in the Ionian Islands, Greece—a known poaching hot-spot—over four spring migrations (2019–2022).
24 February 2023
Article
The Arbimon newsletter is back!
Carly Batist
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
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| Description | Activity | Replies | Groups | Updated |
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| Yeah that would be great - I have done a little looking into it today and I have some ideas. I'd love to collab. I will DM you |
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Acoustics | 1 year ago | |
| Many thanks. That is a useful place to start. I don't think there is any shortage of blackbirds in the UK. And they nest in our garden every year. I don't remember the last time I... |
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Acoustics | 1 year 1 month ago | |
| Hi Luke,As Matthew has suggested, the best way is always to run a test run whenever you are doing something new. Put your recorders out for one or two days and see how they... |
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Acoustics | 1 year 1 month ago | |
| My organization has some Wildlife Acoustics SongMeter SM4 units that we’re looking to sell. We need more mobile and cost-effective ARUs for... |
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Acoustics | 1 year 1 month ago | |
| Hi Chris - I missed this entire dialog, just to say I have successfully recorded all the"quiet" bats using pippyg / pippistrelle, but it inevitably turns into an SNR issue, and... |
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Acoustics | 1 year 1 month ago | |
| Fantastic!! |
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Acoustics, AI for Conservation, Animal Movement, Build Your Own Data Logger Community, Community Base, Early Career, Ethics of Conservation Tech, Marine Conservation, Open Source Solutions | 1 year 2 months ago | |
| If you search Digikey for a 'strain relief' you should be able to find a rubber grommet that will hold that mic without any additional machining. A blob of silicone will adhesive... |
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Acoustics | 1 year 2 months ago | |
| Thanks Carly! I had reviewed some of the help files, but clearly not the right ones!My email is deanc5697@my.uwstout.edu |
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Acoustics, Software Development | 1 year 2 months ago | |
| Hi Tabitha, What recording settings were you using when you saw these differences? I've measured the consumption across some different firmware versions and I can't see any... |
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Acoustics | 1 year 2 months ago | |
| Hello!Long time, no update. @StephODonnell suggested I post here with my thesis and some reflections. ---------------------------------------------------------TL;DR... |
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Acoustics | 1 year 3 months ago | |
| Hi Jesse,For a material to be acoustically transparent (in air), the speed of sound in the material times its density must match that of air. Realistically, any solid... |
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Acoustics, Animal Movement | 1 year 3 months ago | |
| Hi Steph, We appreciate the support! Thanks for the tag and your help managing the community!Patrick |
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Sensors, Acoustics, Conservation Dogs, Emerging Tech, Open Source Solutions | 1 year 3 months ago |
