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RiverineCavity nestLarge · 983 g
ID tip
This merganser is a dark, slender duck with a shiny dark-green hood with a long crest, which is usually shorter and more worn-looking in females. Upperparts are dark grey while the breast is light grey, getting paler toward the whitish belly, and a white speculum is particularly noticeable in flight. It has a long thin jagged black bill with red feet and legs. Although females are smaller with a shorter bill and crest, both sexes are alike in color. The slender ducks range in size from 49 to 56 centimetres (19 to 22 in) as an adult.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Brazilian Merganser
One bar for each month. Filled bars are the 9 months with records; pale bars are months with none. The wide bar is October, the month with the most records.
Where to see the Brazilian Merganser
The map shades 1 country with regular records. Everything unshaded has no records. Countries are listed below the map.
About the Brazilian Merganser
The Brazilian merganser is a South American diving duck in the Mergus genus. It is one of the most threatened waterfowl species in the world, with possibly fewer than 250 birds in the wild and a small number kept in captivity in Brazil and Czechia. It has a long, sharp-edged beak with a great number of tooth-like edges.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Scaly-sided MerganserMergus squamatusThis striking sea duck has a thin red bill and a scaled dark pattern on the flanks and rump.
Red-breasted MerganserMergus serratorThe adult red-breasted merganser is 51–64 cm (20–25 in) long, has a wingspan of 66–74 cm (26–29 in).
Common MerganserMergus merganserIt is 58–72 cm (23–28+1⁄2 in) long with a 78–97 cm (30+1⁄2–38 in) wingspan and a weight of 0.9–2.1 kg (2 lb 0 oz – 4 lb 10 oz); males are on average slightly larger than females, but with some overlap.
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