Scientists fear heat, drought killed at least 120 rare dolphins in Amazon foxweather.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from foxweather.com Daily Mail and Mail on Sunday newspapers.
MANAUS, Brazil: Not far from the emblematic site where the black waters of the Rio Negro join the brown currents of the Solimoes, two chief tributaries of the Amazon, what once was a lake has given way to a vast stretch of cracked mud.