According to preliminary data, the mass death of dolphins can occur for 4 different reasons. At autopsy, in the stomachs of individuals, a hard shellfish.
They also consider the version of physical impact, writes Kafka.
Mammals could get entangled in established fishing nets, as it has happened many times.
Another version is the loss of the leader of the geolocation pack. He could throw himself ashore, after which the rest of the pack followed his example.
Also in the Black Sea, water samples were taken for laboratory testing. Scientists environmentalists say that over the past few years this is the most massive case of death of dolphins.