Amazon River

Soaring water temperatures, drought cited as 120 dead dolphins retrieved in Brazil's Amazon

Soaring water temperatures, drought cited as 120 dead dolphins retrieved in Brazil's Amazon

The carcasses of 120 river dolphins have been found floating in a tributary of the Amazon River over the last week in circumstances that experts suspect were caused by severe drought and heat. Low river levels during a severe drought have heated water in stretches to temperatures that are intolerable for the dolphins, researchers believe. Thousands of fish have died recently on Amazon rivers due to a lack of oxygen in the water.