Greater Scaup
Aythya marila
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusAythya (Scaups, Pochards, and Allies)
- SpeciesAythya marila (Greater Scaup)
Closest Relatives at Redwood National Park
Lesser Scaup
Aythya affinis
Ring-necked Duck
Aythya collaris
Canvasback
Aythya valisineria
Redhead
Aythya americana
Surf Scoter
Melanitta perspicillata
Bufflehead
Bucephala albeola
Mallard
Anas platyrhynchos
Common Merganser
Mergus merganser
American White-winged Scoter
Melanitta deglandi
Canada Goose
Branta canadensis
Ruddy Duck
Oxyura jamaicensis
Cackling Goose
Branta hutchinsii
📅 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 Greater Scaup in Redwood National Park?
About 6% of visitor-days record a Greater Scaup sighting in Redwood National Park, based on 137 observer-days of citizen-science data from GBIF.
When is the best time to see Greater Scaup in Redwood National Park?
January has the highest sighting rate for Greater Scaup in Redwood National Park in our monthly data.