There are several versions explaining this phenomenon, but these are just versions.
Climate change. According to this version, the death of whales is explained by the change in ocean currents, bringing colder water from Antarctica. Whales swim in shallow water to keep warm.
World ocean pollution
Supporters of this version claim that oil products and even polyethylene were found in the respiratory organs of many whales that washed ashore. Opponents of this hypothesis argue that many suicidal whales had clean respiratory organs, and the water in the places of their "suicide" did not contain petroleum products. No radiation was detected in the whale discharge area either. Thus, the version that pollution is the cause of whale deaths bears little resemblance to the truth.
Diseases
Whales also get sick sometimes. Scientists speculate that parasites that inhabit the bodies of animals and damage important organs may be the cause of the release of whales. It is possible that the reason lies in the mental illness of the leader - the leader "went crazy", and the whole flock rushed after him.
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Mutual assistance
Whales always help out a relative from their flock. If one of the whales wanders into shallow water by mistake, it immediately starts giving signals to its congeners, and they rush to help. Alas, whales, instead of rescuing a comrade, themselves get into trouble.
In cramped quarters yes in offense
Japanese scientists have proposed this version: when the number of whales becomes too numerous, the whales self-destruct. Thanks to this self-regulation, the whale population always remains within the limits set by nature itself. However, many ecologists are categorically against this version, believing that the popularization of this hypothesis may lead to the resolution of the resumption of whale fishing.
Compass break
Whales are great at navigating the ocean, which is why biologists say they have a magnetic compass in their brains, so that these marine life can navigate the earth's magnetic field. If a geomagnetic obstacle occurs in front of the whales, their internal compass fails, and they begin to swim in the wrong way. It is known that rescued whales are often washed ashore again. Perhaps this is precisely due to the breakdown of the compass - the whales returned to the water, but they cannot find their bearings.
Noise
This theory is the most popular today. Scientists say whales and dolphins are being killed by the deafening hum of submarines. Loss of hearing, the whales lose their bearings and are thrown ashore. Examination of the bodies of escaped animals suggested that decompression sickness (decompression sickness) was the cause of the suicide. This malaise occurs when there is a sharp decrease in external pressure. Decompression sickness is called the disease of divers, pilots and workers working in caissons (underwater working chambers).
Why whales and dolphins are washed ashore
Unfortunately, the self-destruction of whales is still a mystery. However, scientists continue to conduct research and, perhaps, soon they will find an answer to this painful question for many.
