Common Merganser
Mergus merganser
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusMergus (Typical Mergansers)
- SpeciesMergus merganser (Common Merganser)
Closest Relatives at Yosemite National Park
Mallard
Anas platyrhynchos
Canada Goose
Branta canadensis
Wood Duck
Aix sponsa
Common Teal
Anas carolinensis
Blue-winged Teal
Spatula discors
Common Teal
Anas crecca
Bufflehead
Bucephala albeola
Ring-necked Duck
Aythya collaris
Gadwall
Mareca strepera
Hooded Merganser
Lophodytes cucullatus
Ruddy Duck
Oxyura jamaicensis
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 Common Merganser in Yosemite National Park?
About 10% of visitor-days record a Common Merganser sighting in Yosemite National Park, based on 354 observer-days of citizen-science data from GBIF.
When is the best time to see Common Merganser in Yosemite National Park?
April has the highest sighting rate for Common Merganser in Yosemite National Park in our monthly data.