Plush-crested jay the Madeira), eastwards on the Brazil–Bolivia border, and is next found at the headwaters of the Tapajós River, and joins on the east the extreme headwaters of the Xingu River. A disjunct range occurs downstream on the Tapajós and east towards the Xingu River, a block . Two other localized populations occur in the Amazon Basin, one on the Amazon River, the other on the downstream Madeira River. Plush-crested jay The plush-crested jay ("Cyanocorax chrysops") is a jay of the family Corvidae (which includes the crows and their many allies). It is found in central-southern South America: in southwestern Brazil,
Red River of the South receives little precipitation. As a result, much of the river above the Texas–Oklahoma border is intermittent, and until the river is past its great bend south in Arkansas, the flow varies widely. Most of the agriculture in the basin is sustained by groundwater, which is recharged with rainfall and riverflow. The lower course of the river flows through a series of marshes and swamps, where its flow is dramatically moderated. Native American cultures along the river were diverse, developing specialized adaptations to the many different environments. By the time of European contact, the eastern Piney Woods were dominated by the