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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Conservify
Conservation Technologist, National Geographic Explorer, and Founder of Conservify and FieldKit
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- @esnyder
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PhD Candidate in the Scripps Whale Acoustics Lab at UC San Diego. Studies Beaked Whale diving and foraging behavior by localizing their echolocation clicks.
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Supporting wildlife monitoring in remote Pacific Islands
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EcoFirst
Biologist and naturalist involved in NGO's activities as well as profesionnally
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Fauna & Flora
Senior Technical Specialist, Wildlife Trade
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Mobile developer w/ a passion for nature and conservation
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Australian National University (ANU)
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soundscape analysis, bioacoustic, Ornithologist, Birdwatcher, Wildlife photographer, Graduated in Environmental Studies,Ecotour guide
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- @Sumit_Arora
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Centre for Wildlife Studies
Tech & Partnerships at CWS | Tech4Good | Sustainability | Biodiversity | Climate Action | Heartfulness
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Job opportunity in Leiden, The Netherlands
9 June 2023
Careers
Permanent and Full Time role at the UK Centre for Ecology & Hydrology
8 June 2023
Field Inclusive, Inc. is offering a $2000 travel award to students to attend bird-focused conferences, workshops, and trainings. Interested acoustic monitoring community members should apply by July 31st for...
2 June 2023
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
If you've been waiting to try a HydroMoth, join the GroupGets campaign before limited supplies run out
17 April 2023
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
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
The Innovation in Practice edition of Methods in Ecology and Evolution is still seeking proposals about conservation technology
6 March 2023
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
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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Recently updated products
Description | Activity | Replies | Groups | Updated |
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Hi all,I'm curious to hear experiences/thoughts on mounting microphones in potted instrument housings that will receive a fair amount of... |
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Acoustics | 23 hours 43 minutes 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 | 2 days 6 hours ago | |
Wow.. Really exciting to see this effort. Congratulations on the award!I have been interested in this subject for a long time, as we have elephant-human conflicts in plenty in... |
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Acoustics | 1 week ago | |
Hello!Long time, no update. @StephODonnell suggested I post here with my thesis and some reflections. ---------------------------------------------------------TL;DR... |
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Acoustics | 2 weeks 3 days ago | |
I think I've landed on the Wildlife Acoustics Song Meter Mini Bat 2 for now, but I'm definitely interested to see how this cheaper tech progresses |
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Acoustics | 2 weeks 3 days 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, Biologging | 2 weeks 4 days 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 | 2 weeks 4 days ago | |
Hi Sol,If the maximum depth is 30m, it would be worth experimenting with HydroMoth in this application especially if the deployment time is short. As Matt says, the air-filed case... |
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Acoustics, AI for Conservation, Data management and processing tools, Emerging Tech, Sustainable Fishing Challenges | 2 weeks 4 days ago | |
Oh wow, thank you so much!!!I will keep that four advices in mind! |
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Acoustics | 2 weeks 4 days ago | |
You won't get any audio if you don't allow enough time for the hydromoth/audiomoth to write. So when you do a continuous recording you need to experiment a little. I'm sure there... |
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Acoustics | 2 weeks 6 days ago | |
Congratulations! My first hydromoth was just arrived yesterday and so excited! Looking forward for the update from your project!!! |
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Acoustics, Biologging, Climate Change, Conservation Tech Training and Education, Data management and processing tools, Emerging Tech, Open Source Solutions, Protected Area Management Tools, Sensors, Software and Mobile Apps | 2 weeks 6 days ago | |
If you have the resources, I would suggest testing the sensitivity and directionality of the system at relevant frequencies both with and without an external mic, and let the... |
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Acoustics | 2 weeks 6 days ago |