Common Merganser
Mergus merganser
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusMergus (Typical Mergansers)
- SpeciesMergus merganser (Common Merganser)
The common merganser or goosander (Mergus merganser) is a large sea duck of rivers and lakes in forested areas of Europe, Asia, and North America. The common merganser eats mainly fish. It nests in holes in trees. The name "common merganser" is used in North America, while "goosander" is used in Eurasia. Wikipedia →
5–10% of wildlife watchers report a Common Merganser sighting in Nikko National Park, based on 26 days of visitor records from GBIF citizen-science data.
Closest Relatives at Nikko National Park
Red-breasted Merganser
Mergus serrator
Scaly-sided Merganser
Mergus squamatus
Mallard
Anas platyrhynchos
Eastern Spot-billed Duck
Anas zonorhyncha
Mandarin Duck
Aix galericulata
Tufted Duck
Aythya fuligula
Common Teal
Anas crecca
Common Pochard
Aythya ferina
Eurasian Wigeon
Mareca penelope
Common Goldeneye
Bucephala clangula
Northern Pintail
Anas acuta
Greater Scaup
Aythya marila
📅 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 Nikko National Park?
About 7% of wildlife watchers report a Common Merganser sighting in Nikko National Park, based on 26 days of visitor records from GBIF citizen-science data.
When is the best time to see Common Merganser in Nikko National Park?
February has the highest sighting rate for Common Merganser in Nikko National Park in our monthly data.