Chloephaga picta
The Upland Goose (Chloephaga picta) is a striking member of the Anatidae family, renowned for its pronounced sexual dimorphism and highly terrestrial lifestyle. Males typically boast a pristine white head, neck, and underparts, contrasting sharply with a finely barred grey and black back, earning them the descriptive local name "cauquén blanco" (white goose). Females, conversely, are rich rufous-brown, with black barring across the chest and flanks, and a white undertail, often appearing quit...
Primarily found in open, short-grass grasslands, Patagonian steppes, and alpine meadows from sea level up to 3,000 meters (9,800 ft), often utilizing agricultural pastures and coastal areas during non-breeding seasons.
Primarily herbivorous, feeding almost exclusively on short grasses, sedges, and the leaves of various herbaceous plants, obtained by grazing. Occasionally supplements its diet with insects and larvae found while foraging.
Upland Geese are largely diurnal grazers, spending their days methodically cropping grasses and sedges, often moving in small groups or larger flocks outside the breeding season. They are highly territorial during breeding, with males engaging in aggressive displays, including head-bobbing, wing-...
The Upland Goose is endemic to southern South America, with its primary breeding grounds spanning the Patagonian regions of Chile and Argentina, including Tierra del Fuego, from roughly 35°S southward. A distinct, isolated subspecies (Chloephaga picta leucoptera) is resident year-round on the Fal...
Least Concern
- The genus name "Chloephaga" derives from Greek, meaning "grass-eater," perfectly describing the Upland Goose's primary diet. - The stark sexual dimorphism in plumage is one of the most striking among all waterfowl species. - Despite their name, Upland Geese are more closely related to shelducks...