Gadwall
Mareca strepera
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusMareca (Wigeons and Allies)
- SpeciesMareca strepera (Gadwall)
Closest Relatives at Rocky Mountain National Park
American Wigeon
Mareca americana
Mallard
Anas platyrhynchos
Canada Goose
Branta canadensis
Ring-necked Duck
Aythya collaris
Common Merganser
Mergus merganser
Common Goldeneye
Bucephala clangula
Lesser Scaup
Aythya affinis
Common Teal
Anas crecca
Blue-winged Teal
Spatula discors
Bufflehead
Bucephala albeola
Cackling Goose
Branta hutchinsii
Hooded Merganser
Lophodytes cucullatus
📅 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 Gadwall in Rocky Mountain National Park?
About 4% of visitor-days record a Gadwall sighting in Rocky Mountain National Park, based on 306 observer-days of citizen-science data from GBIF.
When is the best time to see Gadwall in Rocky Mountain National Park?
April has the highest sighting rate for Gadwall in Rocky Mountain National Park in our monthly data.