NBM: an Open Dataset for the Acoustic Monitoring of Nocturnal Migratory Birds in Europe
Louis Airale, Adrien Pajot, Juliette Linossier

TL;DR
This paper introduces the NBM dataset, a comprehensive collection of nocturnal migratory bird vocalizations, and demonstrates its utility through a novel deep learning model that accurately detects and localizes bird calls, aiding conservation efforts.
Contribution
The work provides the first large-scale, annotated dataset for nocturnal migratory birds and develops a specialized two-stage deep detection model for acoustic analysis.
Findings
The dataset contains 13,359 annotated vocalizations from 117 species.
The proposed model achieves competitive accuracy on key species.
Open data and code facilitate further research in bird conservation.
Abstract
The persisting threats on migratory bird populations highlight the urgent need for effective monitoring techniques that could assist in their conservation. Among these, passive acoustic monitoring is an essential tool, particularly for nocturnal migratory species that are difficult to track otherwise. This work presents the Nocturnal Bird Migration (NBM) dataset, a collection of 13,359 annotated vocalizations from 117 species of the Western Palearctic. The dataset includes precise time and frequency annotations, gathered by dozens of bird enthusiasts across France, enabling novel downstream acoustic analysis. In particular, we prove the utility of this database by training an original two-stage deep object detection model tailored for the processing of audio data. While allowing the precise localization of bird calls in spectrograms, this model shows competitive accuracy on the 45 main…
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Taxonomy
TopicsAnimal Vocal Communication and Behavior · Marine animal studies overview · Food Supply Chain Traceability
