Rivers join downstream, flow downhill, and eventually meet an ocean or terminal lake: These are fundamental rules of how ...

This river is known for beautifully meeting with a neighbouring river before it empties into the Atlantic Ocean.

In Brazil's Amazon, dolphin therapy aids people with disabilities Floating in the Rio Negro river in the Brazilian Amazon, Luiz Felipe, who has Down Syndrome, beams as he hugs a pink dolphin ...

The book Peixes do Rio Negro [Fish of the River Rio Negro], organized by Mônica de Toledo ... Fascinated by the richness of the ichthyological Amazon fauna, Wallace was also accompanied on his journey ...