The Orinoco (Spanish pronunciation: [oɾiˈnoko]) is one of the longest rivers in South America at 2,140 km (1,330 mi). Its drainage basin, sometimes known...

(north), forming a unique link between the Orinoco and the Amazon river basin. Henceforth the river is called Rio Negro. The river now continues in a southeastern...

The Orinoco Basin is the part of South America drained by the Orinoco river and its tributaries. The Orinoco watershed covers an area of about 990000 km2...

The Rio Orinoco spinetail, or Orinoco spinetail, (Synallaxis beverlyae) is a Near Threatened species of bird in the Furnariinae subfamily of the ovenbird...

upper Orinoco flowing southward into the Rio Negro, in Venezuela, South America. As such, it forms a unique natural canal between the Orinoco and Amazon...

Deep Space Nine Orinoco, a fictional character in the book series The Wombles Orinoco (1979 tanker), a tanker that was renamed Rio Orinoco in 1981 and caused...

Joasla, the vessel was sold in 1979 and renamed Orinoco, then again in 1981 to Rio Orinoco. As Rio Orinoco, the vessel went aground on Anticosti Island in...

known as the Orinoco plains extend westward from the Caribbean coast to the Colombian border between the northern mountains and the Rio Orinoco. This region...

for the first time as a participant in Diego de Ordáz's entrada on the Rio Orinoco. He took part in this venture as an officer and treasurer (tesorero)...

The Orinoco Delta is a vast river delta of the Orinoco River, located in eastern Venezuela. The Orinoco Delta is one of the eight natural regions of Venezuela...