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The boto and the giant otter inhabit the Orinoco River system. [29] The Orinoco crocodile is one of the rarest reptiles in the world. Its range in the wild is restricted to the middle and lower Orinoco River Basin. [30] More than 1000 fish species have been recorded in the river basin and about 15% are endemic. [31]
The delta is fan-shaped, formed by the Orinoco River as it splits into numerous distributaries, called caños, which meander through the delta on their way to the sea.The main distributary is called the Rio Grande, which empties south-southeast through the southern portion of the delta, and the second major distributary is Caño Manamo, which runs northward along the western edge of the delta.
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 km 2 , making it the third largest in South America, covering most of Venezuela and eastern part of Colombia .
Before the arrival of European colonials, the Guianas were populated by scattered bands of native Arawak people. The native tribes of the Northern amazon forests are most closely related to the natives of the Caribbean; most evidence suggests that the Arawaks immigrated from the Orinoco and Essequibo River Basins in Venezuela and Guiana into the northern islands, and were then supplanted by ...
Because of its natural structure, Colombia can be divided into six distinct natural regions.These consist of the Andean Region, covering the three branches of the Andes mountains found in Colombia; the Caribbean Region, covering the area adjacent to the Caribbean Sea; the Pacific Region adjacent to the Pacific Ocean; the Orinoquía Region, part of the Llanos plains mainly in the Orinoco river ...
To the east the Orinoco wetlands and Orinoco Delta swamp forests occupy the Orinoco Delta. [2] The Llanos' main river is the Orinoco, which runs from west to east through the ecoregion and forms part of the border between Colombia and Venezuela. The Orinoco is the major river system of Venezuela. [3]
The Orinoquía region is one of the six natural regions of Colombia that belongs to the Orinoco River watershed. It is also known colloquially as the Eastern Plains from the Spanish Llanos Orientales. The region covers most of the area of the departments of Arauca, Casanare, Meta, and Vichada. [1]
The Alto Orinoco-Casiquiare Biosphere Reserve was established by the Venezuelan government in 1993 with the objective of preserving the traditional territory and lifestyle of the Yanomami and Yeꞌkuana peoples. [5] There are some 6,250 Yeꞌkuana in Venezuela, according to the 2001 census, with some 430 in Brazil.