Anser cygnoides
The Swan Goose (Anser cygnoides) is a large and distinctive member of the waterfowl family, recognized for its elegant, swan-like neck and striking plumage. Measuring 81–94 cm (32–37 in) in length with a wingspan of 153–185 cm (60–73 in) and weighing 2.8–3.5 kg (6.2–7.7 lb), it is one of the largest geese in its genus. Key field marks include a dark brown cap and hindneck contrasting sharply with pale buffy-white cheeks and foreneck, a prominent dark stripe running down the hindneck, and a lo...
Primarily inhabits freshwater wetlands, including steppe lakes, river valleys, and wet grasslands, often near forest edges or agricultural lands, typically at low to moderate elevations.
Strictly herbivorous, their diet consists mainly of grasses, sedges, rushes, and various aquatic plants, supplemented with grains from agricultural fields during migration or winter.
Swan Geese are largely diurnal, spending their days foraging and resting, often congregating in large flocks outside the breeding season, usually roosting on water or secure banks. During the breeding season, pairs become territorial, with males actively defending their nesting areas through aggr...
The breeding range of the Swan Goose extends across the steppe and taiga zones of East Asia, primarily encompassing parts of southeastern Russia (such as Transbaikalia and Amurland), Mongolia, and northern China, particularly in regions like Inner Mongolia and Manchuria. During the harsh winter m...
Vulnerable
- The Swan Goose is the wild ancestor of the domestic Chinese Goose, which often features a distinctive knob at the base of its bill, a trait absent in its wild relatives. - Its scientific name, *Anser cygnoides*, literally means "swan-like goose," referring to its exceptionally long and slender ...