Scientific name Somateria spectabilis Alternative names King Eider Measurements Feature Range / Note Length 50–70 cm (20–28 in) Wingspan 86–102 cm (34–40 in) Weight Males ~1.668 kg (3.68 lb), females ~1.567 kg (3.45 lb); can vary 0.9–2.2 kg (2–4.9 lb) Status Not considered endangered. Population is large and widespread, and the species is classified as…
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 Measurements Measurement Range Body Length 45–50 cm Wingspan Approximately 75–85 cm Weight 700–1,200 g Egg Count 6–15 eggs per clutch Incubation 20–28 days Status The Southern Pochard is currently listed as Least Concern by the IUCN, but its population has been steadily declining since the 1970s. In South America, estimates from…
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….