as an arm of the Orinoco, and finds its way to the Rio Negro, a tributary of the Amazon, thus forming a 'natural canal' between Orinoco and Amazon. The...

(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...

P. scalare exists in the Rio Orinoco. They are of the same size and shape, the only difference being the stripes; the Orinoco P. scalare has thinner, but...

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...

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)...

Orinoco-Apure: Tramo Ciudad Guayana- Guasdualito. Caracas: M.O.P., Dirección de Recursos Hidráulicos, Oficina de Planeamiento, Estudios Río Orinoco,...

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...

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...

The Orinoco crocodile (Crocodylus intermedius) is a critically endangered crocodile. Its population is very small, and they can only be found in the Orinoco...

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...

altum angelfish, deep angelfish, or Orinoco angelfish, occurs strictly in the Orinoco River Basin and the Upper Rio Negro watershed in Southern Venezuela...

is a species of tropical freshwater cichlid native to the upper Orinoco and upper Rio Negro basins in South America. It has historically been confused...

shipped from Puerto Ordaz, on the Orinoco River by two 90,000 DWT self-discharging shuttle vessels ('Rio Orinoco' and 'Rio Caroni') prior to being received...

in the conquest of Tenochtitlan. During the first exploration of the Rio Orinoco under the leadership of Diego de Ordáz, Herrera held the office of Maestre...

Guaviare is a tributary of the Orinoco in Colombia. It flows together with the upper Orinoco (until here also called Río Parágua), which it clearly surpasses...

the Orinoco peacock bass, tucunaré or tucunaré miri, is a very large species of cichlid. This peacock bass is native to the Rio Negro and Orinoco River...

fish (Teleostei: Perciformes: Cichlidae) from the drainage of the upper rio Orinoco in Venezuela. Zoologische Abhandlungen (Dresden), 56: 91-97. Christopher...

published El Orinoco ilustrado y defendido and Historia natural, civil y geográfica de las naciones situadas en las riveras del río Orinoco, two important...

(2015): Description of a new Heros species (Teleostei, Cichlidae) from the Rio Orinoco drainage and notes on Heros severus Heckel, 1840. Bulletin of Fish Biology...

Pimelodidae that is native to Guyana and Brazil. It inhabits Rio Orinoco in Colombia and Venezuela, Rio Essequibo in Guyana, and the Amazon basin in Brazil, Peru...

scops owl Rio Branco antbird Rio de Janeiro antbird Rio de Janeiro antwren Rio Madeira stipplethroat Rio Negro gnatcatcher Río Orinoco spinetail Rio Suno antwren...

Colombia are navigable. The Río Guaviare and the streams to its north flow eastward and drain into the basin of the Río Orinoco, a river that crosses into...

género Apistogramma Regan, 1913 (Perciformes, Cichlidae) en la cuenca del río Orinoco. Serie Editorial Recursos Hidrobiológicos y Pesqueros Continentales de...

which grown on nutrient-poor sandy soils in humid regions in the Rio Orinoco and the Rio Negro basins of northern South America on quartz sand, in the kerangas...

characin family Lebiasinidae. They have been recorded from the Rio Negro and Rio Orinoco regions of Brazil, Venezuela, and Colombia. Froese, Rainer and...

Cordillera de Mérida and in the drainage of the Río Orinoco, north and west of the Guiana Shield, east of the Orinoco Delta. Also on Isla Margarita, Trinidad...

the Orinoco basins, the so-called Casiquiare canal. The Casiquiare is a river distributary of the upper Orinoco, which flows southward into the Rio Negro...