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Recognition of bird species with birdsong records using machine learning methods

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  • Yi Tang
  • Chenshu Liu
  • Xiang Yuan

Abstract

The recognition of bird species through the analysis of their vocalizations is a crucial aspect of wildlife conservation and biodiversity monitoring. In this study, the acoustic features of Certhia americana, Certhia brachydactyla, and Certhia familiaris were calculated including the Acoustic complexity index (ACI), Acoustic diversity index (ADI), Acoustic evenness index (AEI), Bioacoustic index (BI), Median of the amplitude envelop (MA), and Normalized Difference Soundscape Index (NDSI). Three machine learning models, Random Forest (RF), Support Vector Machine (SVM), and Extreme Gradient Boosting (XGBoost), were constructed. The results showed that the XGBoost model had the best performance among the three models, with the highest accuracy (0.8365) and the highest AUC (0.8871). This suggests that XGBoost is an effective tool for bird species recognition based on acoustic indices. The study provides a new approach to bird species recognition that utilizes sound data and acoustic characteristics.

Suggested Citation

  • Yi Tang & Chenshu Liu & Xiang Yuan, 2024. "Recognition of bird species with birdsong records using machine learning methods," PLOS ONE, Public Library of Science, vol. 19(2), pages 1-11, February.
    • Handle: RePEc:plo:pone00:0297988
    DOI: 10.1371/journal.pone.0297988
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