Scientists attributed the mass dolphin deaths in Brazil to record heat and shrinking lakes during a 2023 drought in the ...
In 2023, a severe drought heated several Amazonian lakes until they became hotter than a hot tub. Brazil's Lake Tefé hit 41.0 ...
In fall 2023, hundreds of river dolphins turned up dead in Brazil’s Lake Tefé. At the time, researchers didn’t know what had killed them—but they had a strong suspicion. Unusually high water ...