The guanaco, the cougar, the Patagonian fox, the Patagonian hog-nosed skunk, and the Magellanic Tuco-tuco are the most common mammals of the Patagonian plains. There are also many birds. Southern Caracara, Austral parakeets, and Green-backed Firecrowns are some. Waterfowl include Chilean Flamingo, Upland Goose, and steamer ducks.