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
- @Tjomme
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Building a community of AI professionals working on the Sustainable Development Goals.
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Frontier Labs
Creators of seriously good bioacoustic recorders. Celebrating 10 years of excellence in bioacoustic tech in 2021
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- @Antonio.A.Ferraz
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Scientist interested in integrating remotely sensed habitat characterization with animal movement and acoustics datasets for conservation applications. Working at JPL and UCLA-IoES affliated
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Conservationist with a focus restoration ecology/rewilding and botany, a keen birder and at the moment exploring the wonders of Papua New Guinea
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Zoological Society London (ZSL)
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Wildlife Logistics
Ecologist / Business Management
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Leveraging big data to solve hard, open ended and socially impactful problems| Ex - Palantir
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Professor. Ecological Risk Assessment.
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- @PhilAtkin
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Embedded software developer of 40+ years experience, hardware designer.
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- @ana-alcantara
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Postgraduate Biology student interested in bioacoustics, conservation biology and biodiversity
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Seeking interested individuals with qualifications and educational background and experience in marine species biology/ecology (marine mammals, sea turtles, fish, seabirds, etc.); with skills in applied scientific study...
31 August 2022
Marine Acoustics, Inc. (MAI) is seeking an Acoustic Modeler and Analyst to assist us in the analysis of underwater acoustic system performance and the effect underwater acoustic transmissions have on the marine...
30 August 2022
Boost cons tech capacity at an international NGO! Fauna & Flora International is offering a paid three-month internship to consolidate and share best practices for the application of emerging hardware and software...
26 August 2022
Article
An update on Ceres Tags products that are being used in conservation
22 August 2022
Funding
Wildlife Acoustics' grant program to receive bioacoustic tools and software is now accepting applications. Apply for up to $4,000 worth of products and software licenses.
9 August 2022
Gavin Jones is seeking a postdoctoral researcher to join his movemebt ecology and bioacoustics work focusing on spotted owls.
4 August 2022
The Earth Species Project (ESP) is a nonprofit organization dedicated to decoding animal communication and translating non-human language.
15 July 2022
PAM & transfer learning, defining occupancy in surveys, effects of anthropogenic noise on fish, soundscapes to track ecosystem recovery, detecting sharks with echosounders, using PAMGuard to detect marine mammals
21 June 2022
The Sound and Light Ecology Team, a collaboration between Colorado State University and National Park Service scientists, is hiring an acoustic ecology postdoctoral fellow in Fort Collins, CO.
16 June 2022
Rainforest Connection has multiple engineering positions that will suppor their work developing acoustic monitoring devices.
16 June 2022
Video recording of workshop held in Madagascar + PDFs of slide, links to other resources & terrestrial PAM bibliography
13 June 2022
Acoustic pingers to reduce net entanglement of river dolphins, acoustic observatories for sperm whales, detectability of dolphin whistles, monitoring sperm whales through echolocation rates
11 June 2022
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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 | 16 hours 56 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 | 1 day 23 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 | 6 days 22 hours 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 2 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 3 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 3 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 3 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 5 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 5 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 |