Comb Duck
Sarkidiornis sylvicola
The Comb Duck (Sarkidiornis sylvicola) is a rare ducks, swans, and geese found in 14 countries, weighing about 2.6 kg. The comb duck or American comb duck, is an unusual duck found in tropical wetlands in continental South America south to the Paraguay River region in eastern Paraguay, southeastern Brazil and extreme northeastern Argentina, and as a vagrant on Trinidad.
About the Comb Duck
The comb duck or American comb duck, is an unusual duck found in tropical wetlands in continental South America south to the Paraguay River region in eastern Paraguay, southeastern Brazil and extreme northeastern Argentina, and as a vagrant on Trinidad.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
How to identify it
It is one of the largest species of duck. Length can range from 56 to 76 cm (22 to 30 in), wingspan ranges from 116 to 145 cm (46 to 57 in) and weight from 1.03 to 2.9 kg (2.3 to 6.4 lb). Adults have a white head freckled with dark spots, and a pure white neck and underparts. The upperparts are glossy blue-black upperparts, with bluish and greenish iridescence especially prominent on the secondaries (lower arm feathers). The male is much larger than the female, and has a large black knob on the bill.
Where it lives
When to see it
The Comb Duck can be seen all year round, with peak activity in January. It is a resident species across most of its range.
Easily confused with
Quick questions
- How do you identify a Comb Duck?
- It is one of the largest species of duck. Full identification notes are on this page.
- How big is a Comb Duck?
- The Comb Duck is a huge sized bird weighing about 2.6 kg.
- Where can you see a Comb Duck?
- The Comb Duck occurs in 14 countries, including Peru, Ecuador, Brazil, Argentina and Colombia.
- What birds look similar to a Comb Duck?
- The Comb Duck is most easily confused with the Knob-billed Duck.
- Is the Comb Duck endangered?
- The Comb Duck is listed as Least Concern on the IUCN Red List.
Learn the Comb Duck for real
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