Lesser Scaup
Aythya affinis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusAythya (Scaups, Pochards, and Allies)
- SpeciesAythya affinis (Lesser Scaup)
Closest Relatives at Denali National Park
Ring-necked Duck
Aythya collaris
Greater Scaup
Aythya marila
Redhead
Aythya americana
Canvasback
Aythya valisineria
Harlequin Duck
Histrionicus histrionicus
American Wigeon
Mareca americana
Mallard
Anas platyrhynchos
Common Teal
Anas crecca
Bufflehead
Bucephala albeola
Barrow's Goldeneye
Bucephala islandica
Northern Shoveler
Spatula clypeata
Northern Pintail
Anas acuta
📅 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 Lesser Scaup in Denali National Park?
About 1% of visitor-days record a Lesser Scaup sighting in Denali National Park, based on 19 observer-days of citizen-science data from GBIF.
When is the best time to see Lesser Scaup in Denali National Park?
September has the highest sighting rate for Lesser Scaup in Denali National Park in our monthly data.