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 →
Closest Relatives at Celestún Biosphere Reserve
Red-breasted Merganser
Mergus serrator
Blue-winged Teal
Spatula discors
Northern Shoveler
Spatula clypeata
Lesser Scaup
Aythya affinis
Bufflehead
Bucephala albeola
Ring-necked Duck
Aythya collaris
Redhead
Aythya americana
Black-bellied Whistling-Duck
Dendrocygna autumnalis
Canvasback
Aythya valisineria
American Wigeon
Mareca americana
Northern Pintail
Anas acuta
Greater White-fronted Goose
Anser albifrons
📅 Monthly Probability
Fewer than 5 records of Common Merganser at Celestún Biosphere Reserve — not enough to chart months honestly.
☀️ 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