Labor Results Provide Insights into the Life of the Sylt Whale - Dead sperm whale's autopsy reveals parasites and diet clues on Sylt

A dead sperm whale was found stranded near Hörnum on the island of Sylt in February 2025. The 14.3-metre bull washed ashore, prompting an investigation into its cause of death and overall health condition.

The whale's carcass was recovered by specialists shortly after it was spotted on February 17. Initial examinations suggested the animal had suffocated under its own weight after becoming trapped in shallow tidal waters.

Laboratory tests later uncovered parasitic infestations in its subcutaneous fat and mild intestinal parasites. These findings provided clues about the whale's health before death. Researchers also examined stomach contents, identifying remnants of its last meals—fish fragments and squid beaks.

The stranding offered valuable data on the whale's condition and diet. The discovery of parasites and stomach contents helps scientists better understand the challenges faced by sperm whales in the North Sea. Further research may follow to assess broader trends in marine mammal health.