This is a geographic mistake, the Orinoco river is not a tributary of the Amazon, it's an independent river and one of the biggest. According to wikipedia it is the third or fourth largest river in the world by discharge volume of water.
https://en.wikipedia.org/wiki/Orinoco_Basin
«Its discharge is the third largest of any river worldwide, after the Amazon and the Congo»
Edit: change my wording about the journalist
https://doi.org/10.3390/d16020127
Actually the Amazon basin and the Orinoco basin are connected by the Casiquiare river (that flows in either directions depending on the rain).
That's why the newly identified Anaconda species is in both basins.
«A giant anaconda species captured recently in the Amazon of Ecuador»
The Orinoco basin doesn't reach Ecuador... The Orinoco basin is within Colombia and Venezuela (and touches Brazil).
This is a geographic mistake, the Orinoco river is not a tributary of the Amazon, it's an independent river and one of the biggest. According to wikipedia it is the third or fourth largest river in the world by discharge volume of water.
https://en.wikipedia.org/wiki/Orinoco_Basin
«Its discharge is the third largest of any river worldwide, after the Amazon and the Congo»
Edit: change my wording about the journalist