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August 7, 2026Marine Mammal ScienceOpen Access

Structural Variation in Whistle Patterns of Two Coastal Dolphin Species Co‐Occurring in the Southern Israeli Mediterranean Sea

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Authors

YZYotam ZurielUniversity of HaifaIAI. AharoniUniversity of HaifaDAD. AtchUniversity of Haifa

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Implication

Randomized trial examines acoustic differences in dolphin whistles, suggesting conservation insights for monitoring species.

Key Points

  • The study aims to determine if whistle characteristics can differentiate between two dolphin species in the Mediterranean.
  • Analyzed 940 dolphin whistles (705 from Dd, 235 from Tt) collected from 2018 to 2024.
  • Used a manual contour extraction tool and machine learning classification to assess species-specific whistles.
  • Conducted principal component analysis and applied XGBoost to classify whistles based on frequency and shape parameters.
  • XGBoost classifier successfully distinguished whistles, highlighting features like minimum, median, and beginning frequencies.
  • Principal component analysis showed significant acoustic overlap between species, but classification was still effective.
  • Findings enable non-invasive monitoring of dolphin populations under challenging visibility conditions.

Cite This Study

Zuriel et al. (2026) studied this question.

synapsesocial.com/papers/6a758c2e847ab6d26c02014fhttps://doi.org/10.1111/mms.70243
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