Comb Duck
Sarkidiornis sylvicola
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusSarkidiornis (Comb and Knob-billed Ducks)
- SpeciesSarkidiornis sylvicola (Comb Duck)
The comb duck or American comb duck (Sarkidiornis sylvicola), 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. Most taxonomic authorities split this species and the knob-billed duck from each other. The comb duck is generally smaller in size when compared to the knob-billed duck, and flanks are darker (black in males, medium grey in females). Wikipedia →
📅 Monthly Probability
Fewer than 5 records of Comb Duck at Galápagos Islands — not enough to chart months honestly.
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Cordillera Azul National Park | 🇵🇪 Peru | |
| 2 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 3 | Machalilla National Park | 🇪🇨 Ecuador | |
| 4 | Galápagos Islands | 🇪🇨 Ecuador | |
| 5 | Iguazú National Park | 🇦🇷 Argentina |