Deep Forest Canopy
Species Radar
Ducks, Geese, and Waterfowl

Comb Duck

Sarkidiornis sylvicola

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.

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Low-Light Telephoto Systems

Identifying specific features of the Comb Duck requires high-contrast magnification. Check out the top-rated 8x42 optics.

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📘 ID Reference Card

Duck & Waterfowl ID Reference

Compact pocket-card format — print & fold. Covers plumage, field marks, and song mnemonics.

Expedition Prep

Targeting the Comb Duck?

Build a custom travel itinerary around these hotpot clusters using our trip planning suite.

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