Cited by 218Bat Biology and Ecology StudiesMusic and Audio ProcessingAnimal Vocal Communication and Behavior

Bat detective—Deep learning tools for bat acoustic signal detection

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Mac Aodha, Oisin, Gibb, Rory, Barlow, Kate E., Browning, Ella, Firman, Michael, Freeman, Robin, Harder, Briana, Kinsey, Libby +11 more·2018·PLOS Computational Biology

Published version of a preprint

Abstract

Passive acoustic sensing has emerged as a powerful tool for quantifying anthropogenic impacts on biodiversity, especially for echolocating bat species. To better assess bat population trends there is a critical need for accurate, reliable, and open source tools that allow the detection and classification of bat calls in large collections of audio recordings. The majority of existing tools are commercial or have focused on the species classification task, neglecting the important problem of first localizing echolocation calls in audio which is particularly problematic in noisy recordings. We developed a convolutional neural network based open-source pipeline for detecting ultrasonic, full-spectrum, search-phase calls produced by echolocating bats. Our deep learning algorithms were trained on full-spectrum ultrasonic audio collected along road-transects across Europe and labelled by citizen scientists from www.batdetective.org. When compared to other existing algorithms and commercial systems, we show significantly higher detection performance of search-phase echolocation calls with our test sets. As an example application, we ran our detection pipeline on bat monitoring data collected over five years from Jersey (UK), and compared results to a widely-used commercial system. Our detection pipeline can be used for the automatic detection and monitoring of bat populations, and further facilitates their use as indicator species on a large scale. Our proposed pipeline makes only a small number of bat specific design decisions, and with appropriate training data it could be applied to detecting other species in audio. A crucial novelty of our work is showing that with careful, non-trivial, design and implementation considerations, state-of-the-art deep learning methods can be used for accurate and efficient monitoring in audio.

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  • Detecting and classifying animal species with DL for population estimates is becoming increasingly popular for images, acoustic spectrograms, and videos.

    “For these reasons, detecting and classifying animal species with DL for the purpose of population estimates is becoming increasingly popular for images52,53, acoustic spectrograms95, and videos96.”

    From Perspectives in machine learning for wildlife conservation (2022) · cites this paper as [95]

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Research works printed but not linked: 3

  1. [35]Salamon J, Bello JP. Deep convolutional neural networks and data augmentation for environmental sound classification. arXiv preprint arXiv:160804363. 2016.
  2. [39]Goeau H, Glotin H, Vellinga W-P, Planque R, Joly A, editors. LifeCLEF Bird Identification Task 2016. The Arrival of Deep Learning. Working Notes of CLEF 2016-Conference and Labs of the Evaluation forum; 2016; Évora, Portugal.
  3. [49]Walters CL, Browning E, Jones KE. iBats Jersey Review. London, UK: 2016.

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Authors
Mac Aodha, O., Gibb, R., Barlow, K. E., Browning, E., Firman, M., Freeman, R., Harder, B., Kinsey, L., Mead, G. R., Newson, S. E., Pandourski, I., Parsons, S., Russ, J., Szodoray-Paradi, A., Szodoray-Paradi, F., Tilova, E., Girolami, M., Brostow, G., & Jones, K. E.
Affiliations
  • University College London (GB)
  • Bat Conservation Trust (GB)
  • Zoological Society of London (GB)
  • British Trust for Ornithology (GB)
  • Bulgarian Academy of Sciences (BG)
  • Queensland University of Technology (AU)
  • Imperial College London (GB)
Corresponding author
Jones, Kate E.
Venue
PLOS Computational Biology
Published
2018-03-08
Volume
14
Issue
3
Pages
e1005995
ISSN
  • 1553-734X (ISSN-L)
  • 1553-7358
OpenAlex
W2922355292
Cited by
216
References
64
Citations by year
2026: 22 · 2025: 27 · 2024: 20 · 2023: 26 · 2022: 35 · 2021: 27 · 2020: 25 · 2019: 26 · 2018: 8
FWCI
18.16
Type
journal article
Language
en
Open access
Locations
  • PLoS Computational Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (publishedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
Funders
  • Engineering and Physical Sciences Research Council (EP/K015664/1, EP/K503745/1)
  • Natural Environment Research Council (NE/P016677/1)
  • Darwin Initiative (15003, 161333, EIDPR075)
  • Philip Leverhulme Prize
Topics
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Bat Biology and Ecology Studies
  • Physical Sciences › Computer Science › Signal Processing › Music and Audio Processing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
Keywords
bat echolocation calls, convolutional neural networks, passive acoustic monitoring, bat population monitoring, citizen science, Jersey
MeSH terms
Machine Learning, Algorithms, Animals, Chiroptera, Echolocation, Environmental Monitoring, Signal Processing, Computer-Assisted, Zoology, Neural Networks, Computer, Computational Biology, Endangered Species

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