Yellow Collared Macaws inhabit areas with different conditions, and they can be found in forests and agricultural lands of Brazil, Argentina, Paraguay and north-east Bolivia. The primary color is green, and there is a yellow collar-shaped strip on the back of the neck, and the forehead, crown and lower cheeks are brown. The body is up to 15 inches long. These parrots feed on seeds, nuts or pelleted foods. There are no visible sex differences.