• Spectacled Eider

    Scientific Name Somateria fischeri Measurements: Feature Male Female Length 52–57 cm (20.5–22.5 in) 52–57 cm (20.5–22.5 in) Weight 1.8–2.3 kg (4–5 lb) 1.5–2.0 kg (3.3–4.4 lb) Wingspan 86–96 cm (34–38 in) 86–96 cm (34–38 in) Status The Spectacled Eider is listed as Threatened under the U.S. Endangered Species Act but Least Concern on the IUCN…

  • Baer’s Pochard

    Scientific Name Aythya baeri Alternative Names Eastern White-eye, Siberian White-eye, Baer’s White-eye, Green-headed Pochard Measurements Feature Male Female Length 41–47 cm (16–19 in) 41–47 cm (16–19 in) Wingspan 70–79 cm (28–31 in) 70–79 cm (28–31 in) Weight 500–730 g (18–26 oz) 590–655 g (21–23 oz) Wing Length 18.6–20.3 cm (7.3–8 in) 19.1–20.5 cm (7.5–8.1 in)…

  • 18 Ducks with Green Heads (Complete ID Guide)

    If you’ve spent any time by a pond or lake, you’ve likely spotted ducks with glossy green heads that seem to shimmer and glow as the sunlight hits them. Those stunning greens aren’t paint or pigments but light bouncing off tiny structures in their feathers, creating that glossy, almost metallic look we all admire. As…

  • Ruddy Shelduck

    Scientific Name Tadorna ferruginea Alternative Names Ruddy Sheldrake Measurements Feature Measurement Length 58–70 cm (23–28 in) Wingspan 110–135 cm (43–53 in) Weight 1–1.6 kg (2.2–3.5 lb) Status The Ruddy Shelduck is listed as Least Concern by the IUCN due to its wide distribution and large population, estimated between 170,000 and 225,000 individuals. Populations in Asia…

  • White-headed Steamer-Duck

    Scientific Name Tachyeres leucocephalus Alternative Names Chubut Steamer Duck, White-headed Flightless Steamer Duck Measurements Feature Measurement Length Around 65–70 cm (26–28 in) Weight 2.5–4 kg (5.5–8.8 lb) Wingspan About 85–95 cm (33–37 in) Status The Chubut Steamer Duck is listed as Vulnerable by the IUCN. Its population is small and restricted to a limited coastal…

  • Masked Duck

    Scientific Name Nomonyx dominicus Alternative Names Masked Duck Measurements Feature Measurement Length 30–36 cm (12–14 in) Weight Around 300–450 g (10–16 oz) Wingspan About 50–60 cm (20–24 in) Status The Masked Duck is listed as Least Concern by the IUCN. Though often hard to spot due to its secretive nature, it remains fairly widespread across…

  • Long-Tailed Duck

    Scientific Name Clangula hyemalis Alternative Names Oldsquaw, Coween, Old Wife, South-Southerly Measurements Feature Measurement Length 44–60 cm (17–23.5 in) Wingspan 71 cm (28 in) Weight 740 g (1.6 lb) Tail 16.5–23.7 cm (6.5–9.3 in) Status The Long-Tailed Duck is listed as Vulnerable on the IUCN Red List due to declining populations, particularly in the Baltic…

  • American Wigeon

    Scientific Name Mareca americana Alternative Names Baldpate Measurements Feature Measurement Length 42–59 cm (17–23 in) Wingspan 76–91 cm (30–36 in) Weight 512–1,330 g (1.1–2.9 lb) Status The American Wigeon is listed as Least Concern on the IUCN Red List. Its population is stable overall, though regional shifts have occurred — with declines in Canada’s Prairie…

  • Harlequin Duck

    Scientific Name Histrionicus histrionicus Alternative Names Painted Duck, Rock Duck, Glacier Duck, Mountain Duck, White-eyed Diver, Lords and Ladies, Blue Streak Measurements Feature Measurement Length 38–43 cm (15–17 in) Weight Around 600 g (1.3 lb) Wingspan 66 cm (26 in) Wing 188–202 mm (7.4–8.0 in) Tail 77–101.5 mm (3.03–4.00 in) Culmen 25–27 mm (0.98–1.06 in)…

  • Baikal Teal

    Scientific Name Sibirionetta formosa Alternative Names Bimaculate Duck, Squawk Duck Measurements Feature Male Female Length 39–43 cm (15–17 in) 39–43 cm (15–17 in) Height 30–40 cm (11.75–15.75 in) 30–40 cm (11.75–15.75 in) Weight Around 1 lb (450 g) Around 1 lb (450 g) Status The Baikal Teal is listed as Least Concern on the IUCN…