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Cited by 31Avian ecology and behaviorWildlife Ecology and ConservationAnimal Vocal Communication and Behavior

Autonomous Recording Units as Effective Tool for Monitoring of the Rare and Patchily Distributed Dupont's Lark Chersophilus duponti

Pérez-Granados, C., Rosa, D. Bustillo-de la, Gómez-Catasús, J., Barrero, A., Abril-Colón, I., Traba, J.·2018·Ardea
DOI 10.5253/arde.v106i2.a6
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Abstract

Monitoring programmes are needed to assess the conservation status of species and to quantify the effectiveness of conservation effort. Rare species are usually poorly studied due to difficulties in monitoring. We evaluated the use of autonomous recording units (ARUs) coupled with automated song recognition for monitoring the presence of Dupont's Lark Chersophilus duponti, a rare and patchily distributed species. We surveyed 49 potential habitat patches for the species in central Spain never censused before, from May to June 2017. In each habitat patch we deployed an ARU that recorded one continuous hour during two consecutive nights. In addition, we also performed line transect censuses in 22 out of the 49 potential habitat patches, to evaluate the efficacy of ARUs. Audio analyses revealed the existence of eight previously unrecorded Dupont's Lark populations. Line transect censuses always confirmed the presence or absence of the species in agreement with audio analysis results. ARUs required 44 fewer working days than human-based surveys for monitoring the presence of Dupont's Larks in potential habitat patches. Our results suggest that the use of ARUs coupled with automated song recognition can provide an effective alternative to human-based surveys for monitoring the presence of bird species in large-scale surveys. We conclude that a combined methodology using ARUs and field censuses, in order to estimate densities or spatial patterns, may be considered the most effective method for monitoring large numbers of potential occupancy sites.

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  • By eliminating the need for constant human presence, ARUs have greatly expanded the spatial and temporal reach of monitoring, often outperforming traditional surveys in detecting elusive species and rare events.

    “By eliminating the need for constant human presence, ARUs have greatly expanded the spatial and temporal reach of monitoring, often outperforming traditional surveys in detecting elusive species and rare events.”

    From Listening forward: emerging roles of bioacoustics in ecology, evolution, and conservation (2026) · cites this paper as Pérez-Granados et al. 2018

  • ARUs create permanent archives that can be reanalyzed with new algorithms to address questions not imagined at the time of recording.

    “They also create permanent archives that can be reanalyzed with new algorithms to address questions not even imagined at the time of recording”

    From Listening forward: emerging roles of bioacoustics in ecology, evolution, and conservation (2026) · cites this paper as Pérez-Granados et al. 2018

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Authors
Pérez-Granados, C., Rosa, D. B.-D. L., Gómez-Catasús, J., Barrero, A., Abril-Colón, I., & Traba, J.
Affiliations
  • Terrestrial Ecology Group (TEG-UAM), Department of Ecology, Universidad Autónoma de Madrid. C/Darwin
  • Universidad Autónoma de Madrid (ES)
ORCID
Venue
Ardea
Publisher
Netherlands Ornithologists' Union
Published
2018-10-01
Volume
106
Issue
2
Pages
139
ISSN
0373-2266 (ISSN-L)
DOI
10.5253/arde.v106i2.a6
OpenAlex
W2898707014
Cited by
31
References
38
Citations by year
2026: 3 · 2025: 3 · 2024: 3 · 2023: 7 · 2022: 2 · 2021: 5 · 2020: 2 · 2019: 6
FWCI
2.44
Type
journal article
Language
en
Open access
closed
Locations
Ardea (publishedVersion)
Funders
  • Shanxi Scholarship Council of China
  • Junta de Comunidades de Castilla-La Mancha
Topics
  • Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
Keywords
Dupont's lark, Chersophilus duponti, autonomous recording units, bird monitoring, rare species, occupancy surveys, conservation status assessment

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