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

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...

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...

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)...

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...

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...

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...

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...

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...

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

Alcalá; Mónica Andrea, Morales Betancourt (2022). XXI. PECES DEL FONDO DEL RÍO ORINOCO Y AFLUENTES PRINCIPALES (COLOMBIA-VENEZUELA): diversidad y aspectos bioecológicos...

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

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...

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...

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

(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...

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...

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...

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

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

The Churún River (Spanish: Río Churún) is a river in Venezuela, part of the Orinoco River basin. It is located in Canaima National Park and a tributary...

Fijo. It connects Coro and Punto Fijo. It extends for 79 km. 7,100 km; Rio Orinoco (400 km) and Lago de Maracaibo accept oceangoing vessels extra heavy...

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 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...

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...