Scientific name Anas erythrorhyncha Alternative names Red-billed Teal, Red-billed Duck Measurements Feature Range / Note Length 43–48 cm (17–19 in) Wingspan Not precisely measured, typical for medium-sized dabbling ducks Weight 400–600 g (approx.) Status Not considered endangered. Estimated 410,000–790,000 mature individuals as of 2023. Population trend appears slightly decreasing but remains large and stable enough…
Scientific name Aix galericulata Alternative names Mandarin Duck Measurements Feature Range / Note Length 41–49 cm (16–19 in) Wingspan 65–75 cm (26–30 in) Weight 450–600 g (approx.) Status Not considered endangered. Global population is hard to estimate, but introduced populations in Europe and small feral populations in the U.S. are stable. Native populations in East…
Scientific name Dendrocygna autumnalis Alternative names Black-bellied tree duck, Whistling duck, Mexican squealer Subspecies Measurements Feature Range / Note Length 47–56 cm Wingspan 76–94 cm Weight 652–1,020 g Male vs Female Sexes similar; juveniles have gray bill and less contrasting belly Status Least Concern (IUCN); global population estimated at 1.1–2 million and increasing. Identification A…
Scientific name Tadorna tadorna Alternative names None widely used Subspecies Monotypic – no subspecies recognized Measurements Feature Range / Note Length ~58–70 cm Wingspan ~110–133 cm Weight 0.9–1.6 kg Male vs Female Males slightly larger, brighter in breeding plumage Status Widespread and common in the Euro-Siberian region. Protected under the Agreement on the Conservation of…
Scientific name Mergus merganser Alternative names Goosander (Eurasia), Common Merganser (North America) Subspecies Subspecies Description Distribution M. m. merganser Typical form Northern Europe and northern Asiatic Russia M. m. orientalis Slightly larger, more slender bill Central Asian mountains M. m. americanus Broader-based bill, black bar across inner wing in males North America Measurements Feature Range…
Scientific name Pteronetta hartlaubii Alternative names Hartlaub’s Duck Measurements Feature Range / Note Length 56–58 cm Male Weight 925–1,140 g Female Weight 770–805 g Wingspan ~85–95 cm (estimated) Status Least Concern. Although the population is declining slightly, its extensive range and stable numbers prevent it from being considered threatened. Identification A dark chestnut duck with…
Scientific name Lophonetta specularioides specularioides Alternative names Also known as the Southern Crested Duck or the Grey Duck (in the Falkland Islands). It is the nominate subspecies of the Crested Duck, alongside the Andean Crested Duck. Measurements Feature Range / Note Length 50–60 cm Weight Around 1 kg; males slightly heavier Wingspan ~85–95 cm (estimated…
Scientific name Netta erythrophthalma Subspecies Measurements Feature Range / Note Length ~45–50 cm Weight ~600–900 g Wingspan ~75–85 cm Status South American population ~25,000 (2016 estimate); populations declining. IUCN: Least Concern globally but declining regionally. Identification Medium-sized diving duck. Males have a reddish eye and dark head, with pale brown body; females are duller with…
Scientific name Speculanas specularis Alternative names Also called the Spectacled Duck or Pato Perro (“Dog Duck”). Measurements Feature Range / Note Length ~56–60 cm (estimated from related sources) Weight ~1–1.3 kg (estimated) Wingspan Data not widely documented Status Near Threatened (IUCN). Population estimated at fewer than 7,000 individuals. Identification A river duck with striking markings….
Scientific name Tadorna tadornoides Alternative names Also called the Chestnut-breasted Shelduck or Mountain Duck. Measurements Feature Range Length 56–72 cm (22–28 in) Wingspan 94–132 cm (37–52 in) Weight 1.3–1.6 kg (2.9–3.5 lb) Status Protected under the National Parks and Wildlife Act 1974. Populations are stable, and the species benefits from farmland and water body conservation…