Kıyıya vuran veya suların üzerinde sürüklenen ölü yunuslar, aşırı hava olaylarının doğal yaşam üzerindeki yıkıcı etkisini gözler önüne seriyor.
Authorities say they are experiencing the most severe drought in 13 years and are worried that the death toll of river dolphins will rise.
The Brazilian government has launched an emergency operation to investigate dolphin deaths and rescue endangered animals. Brazil's Environment Ministry said there were signs that historic drought and high temperatures were leading to the death of fish and mammals living in rivers.