ArticleScientific reports2025
Automatic detection and annotation of eastern Caribbean sperm whale codas.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Backseat driver architecture to passively follow sperm whales by their voices with an autonomous underwater glider.Scientific reports · 2026Article
- Description of a collaborative sperm whale birth and shifts in coda vocal styles during key events.Scientific reports · 2026Article
- Predicting mesoscale movement of sperm whale units in the Caribbean based on social dynamics.Scientific reports · 2025Article
- Integrating cultural dimensions in sperm whale (Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
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Authors and funding
5 authors.
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Abstract
A key technology for sperm whale (Physeter macrocephalus) monitoring is the identification of sperm whale communication signals, known as codas. In this paper we present the first automatic coda detector and annotator. The main innovation in our detector is graph-based clustering, which utilizes the expected similarity between the clicks that make up the coda. Results show detection and accurate annotation at low signal-to-noise ratios, separation between codas and echolocation clicks, and discrimination between codas from simultaneously emitting whales. Using this automatic annotator, insights into the characterization of sperm whale communication are presented. The results include new types of coda signals, analysis of the distribution of coda types among different whales and for different years, and evidence for synchronization between communicating whales in terms of coda type and coda transmission time. These results indicate a high degree of complexity in the communication system of this cetacean species. Source code and data for our system is publicly available.
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