Redhead
Aythya americana
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusAythya (Scaups, Pochards, and Allies)
- SpeciesAythya americana (Redhead)
Closest Relatives at Yellowstone National Park
Lesser Scaup
Aythya affinis
Ring-necked Duck
Aythya collaris
Canvasback
Aythya valisineria
Greater Scaup
Aythya marila
Canada Goose
Branta canadensis
Mallard
Anas platyrhynchos
Common Merganser
Mergus merganser
Barrow's Goldeneye
Bucephala islandica
Bufflehead
Bucephala albeola
Trumpeter Swan
Cygnus buccinator
American Wigeon
Mareca americana
Anas cyanoptera
Spatula cyanoptera
📅 Monthly Probability
☀️ 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
Quick answers
What are the chances of seeing a Redhead in Yellowstone National Park?
About 5% of visitor-days record a Redhead sighting in Yellowstone National Park, based on 182 observer-days of citizen-science data from GBIF.
When is the best time to see Redhead in Yellowstone National Park?
September has the highest sighting rate for Redhead in Yellowstone National Park in our monthly data.