Male Amazon river dolphins have been documented rolling upside down and firing a stream of urine into the air. As if that isn’t bizarre enough, other males will usually seek out the urine as it ...

BRASILIA, Sept 2 (Reuters) - Last year's record drought in the Amazon and less than usual rainfall since caused river water levels to drop rapidly, hindering navigation by barges carrying grains ...

Huge tributaries that feed the mighty Amazon River — the largest on the planet — have plunged to record-low levels, upending lives, stranding boats, and threatening endangered dolphins as ...

Line chart showing the daily Amazon river level recorded along Port Manaus ... The drought has also sapped hydropower plants, Brazil's main source of electricity. Energy authorities have approved ...