tech
Different sperm whale ‘dialects’ detected on separate sides of the Mediterranean
Matriarchal groups in east and west exhibit distinct click patterns, used to form social structures
TL;DR
- Sperm whales communicate using sequences of clicks called codas, with rhythmic patterns forming dialects.
- Different matriarchal groups of sperm whales develop distinct dialects, influencing social associations.
- Two different dialects have been discovered among sperm whales in the eastern and western Mediterranean basins.
- Whales in the western basin favor a 3+1 coda, while those in the eastern basin use a faster version, though some crossover exists.
- The findings suggest dialects arise from isolation and cultural evolution, with the eastern dialect potentially evolving from an older western one.
- This study provides insights into the origin and formation of sperm whale dialects.