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The UK Bird Atlas

Mandarin Duck (Aix galericulata)Where and when to see it in the UK

Resident · reporting peaks March to April · Ducks, Swans, and Geese · BOU category C1E*

Records to 2026-08-16 · build 2026-08-31

Mandarin Duck (Aix galericulata)
星外之神, CC BY-SA 4.0, via Wikimedia Commons
Peak months
Mandarin Duck: relative reporting rate by 10 km square, September

Contains OS data © Crown copyright and database right 2026 (grid squares, place names from OS Open Names). Northern Ireland place names: OSNI Open Data, OGL v3.0. County and country boundaries: Office for National Statistics, Open Government Licence v3.0. Coastline: Natural Earth. Bird records from the data partners listed here.

Mandarin Duck has been recorded in 1,113 of the 2,971 10 km squares covering UK land (37%) in records to 2026. Resident in the UK. Its strongest squares are in England, Wales and Scotland. Reporting peaks in March to April.

Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List
Relative to this species' best squares (how classes are calculated)
Very high
100% or more of visits
High
6% to 100%
Moderate
2% to 6%
Low
under 2%
Surveyed, not recorded
at least 20 qualifying visits, no record
Insufficient records
too few visits to say
Lighter fill
Few visits, lower confidence
Small dot
Occasional: a single record, or out of season

Seasonality

Reporting rate by month, relative to the peak month
MonthRelative to peakShare of visitsTypical class
January 50%2%Low
February 55%2%Low
March 92%3%High
April 100%3%High
May 77%2%Very high
June 54%2%Very high
July 61%2%High
August 53%2%High
September 40%1%Very high
October 35%1%Very high
November 42%1%Very high
December 47%1%Low

Squares with the highest reporting rate in March

SquareWhereShare of visitsClass
J37Belfast, Northern Ireland100%Very high
NO02Perth and Kinross, Scotland100%Very high
NO64Angus, Scotland100%Very high
NT25Midlothian, Scotland100%Very high
NT35Midlothian, Scotland100%Very high
NT77East Lothian, Scotland100%Very high
NT84Scottish Borders, Scotland100%Very high
NY45Cumberland, England100%Very high
NY86Northumberland, England100%Very high
NY88Northumberland, England100%Very high

Spotted an error in a square? Report it and it goes into the review queue. Read the methodology for how classes, flags and sensitive-species rules work. Data to 2026.