56 Dolphins Wash Ashore on Black Sea Coast, Odesa Park Reports

Park officials say the strandings point to a much larger, hard-to-measure marine die-off caused by wartime activity that limits scientific assessment.

Overview

Odesa National Nature Park announced that 56 dead dolphins were found washed ashore in June and said those carcasses represent only a portion of total deaths.
The park attributes the fatalities to war-related hazards, citing naval mines, missile explosions targeting ships, low-frequency sonar from war vessels, and chemical contamination as likely drivers.
Park officials estimate that cumulative cetacean mortality in the Black Sea and Sea of Azov since February 2022 may be on the order of 100,000 animals, a figure that reflects sustained losses rather than a single event.
Experts warn that low-frequency sonar can disorient dolphins and that explosions and mines can cause direct physical trauma, while pollution can weaken immune systems and raise death risk.
Wartime access and safety limits have constrained necropsies and systematic monitoring, leaving big uncertainties about exact causes and raising concerns for coastal ecosystems and communities that rely on the sea.