Red-breasted Merganser
Mergus serrator
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAnseriformes
- FamilyAnatidae (Anàtids)
- GenusMergus (Typical Mergansers)
- SpeciesMergus serrator (Red-breasted Merganser)
Closest Relatives at Ciénaga de Zapata
Blue-winged Teal
Spatula discors
Lesser Scaup
Aythya affinis
American Wigeon
Mareca americana
West Indian Whistling-Duck
Dendrocygna arborea
Northern Shoveler
Spatula clypeata
Northern Pintail
Anas acuta
White-cheeked Pintail
Anas bahamensis
Wood Duck
Aix sponsa
Ring-necked Duck
Aythya collaris
Common Teal
Anas crecca
Fulvous Whistling-Duck
Dendrocygna bicolor
📅 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 Red-breasted Merganser in Ciénaga de Zapata?
About 1% of visitor-days record a Red-breasted Merganser sighting in Ciénaga de Zapata, based on 16 observer-days of citizen-science data from GBIF.
When is the best time to see Red-breasted Merganser in Ciénaga de Zapata?
December has the highest sighting rate for Red-breasted Merganser in Ciénaga de Zapata in our monthly data.