Amazon river dolphins may send messages with aerial streams of urine. ... Male Amazon river dolphins have been documented rolling upside down and firing a stream of urine into the air.

Wild video captures Amazon river dolphin urinate in the air nearby another dolphin. ... The paper said researchers recorded 36 aerial urination events between September 2014 and March 2018, ...

A Question of Flow. The trouble with Contos and Tripcevich's claim of overturning this long-held view, say some geographers, is that the Mantaro River runs dry for about five months of the year ...

Drought is devastating Brazil’s Amazon rainforest, and some rivers are falling to historic lows. Images of one of the Amazon River’s main tributaries, the Negro River, show just how ...

River levels in the Amazon are at record lows, upending lives, ... Satellite images of the Rio Negro on September 12 2021 versus September 16 2024 Copernicus, Sentinel-2 satellite.