Other limits to Dusky Parrot's range is northwest Maranhão state Brazil, Baia de Sao Marcos; also in the southeast Amazon Basin, the confluence of the northern flowing Araguaia-Tocantins River.
The White-tailed Cotinga's southeast Amazon Basin range encompasses the lower drainage, (about one third), of the Tocantins-Araguaia River system, and ends in the east at the Atlantic Ocean in the state of Maranhão.
Besides the Amazon Basin it is found in the southeast basin in the adjoining Tocantins-Araguaia River drainage; on the east at the edge of its range there, it only occurs in the headwaters of the Tocantins, then recontinues at the joining of the Araguaia-Tocantins as it goes to the Atlantic Ocean.
Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
In the southeast Basin, it is in the Tapajos River and Xingu River drainages; also two thirds of the adjacent river system, the lower Araguaia–Tocantins River drainage.
The eastern range extends to the upstream third of the Xingu River, then further east to the upstream half of the Araguaia in the Araguaia-Tocantins River system.
Potamobatrachus trispinosus is a species of toadfish endemic to Brazil where it is found in the Araguaia and Tocantins Rivers.
The range of the Ringed Antpipit is the entire Amazon Basin, the Guianan region, Marajó Island, and the southeast Orinoco River Basin region in eastern Venezuela; also the downstream half of the neighboring Amazon Basin river system in the southeast, the Araguaia-Tocantins River, with the range ending easterly on the Atlantic coast of Brazil's Maranhão state.
The rivers in the Amazon Basin, going upstream are the following: Amazon River, (Tocantins, Araguaia— east of the Xingu), Xingu River, Madeira, and Marañón-Ucayali, (in Amazonian Peru).
The Spotted Tody-Flycatcher is a bird of the Amazon Basin and in the east the neighboring Araguaia River of the Araguaia-Tocantins River drainage.
To the east-southeast, the range encompasses the Amazon's adjacent Tocantins-Araguaia River drainage as well as about 900 km eastward.
The range of the Yellow-browed Tody-Flycatcher is mainly in the southern Amazon Basin, and in the east limited by the Amazon River; in the southeast, its range extends eastward including Ilha de Marajo and the last downstream region of only the Tocantins River, of the Araguaia-Tocantins River system.
The movement's name came from the fact that its fighters were established on the banks of the Araguaia river, near the towns of São Geraldo, Pará and Xambioá, in northern Goiás (currently located in northern Tocantins, at a region popularly known as Bico do Papagaio (Parrot's Beak).