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Great Bustard (Otis tarda)Where and when to see it in the UK

Status not yet classified · reporting peaks March · Bustards · BOU category AE*F

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

Great Bustard (Otis tarda)
Francesco Veronesi from Italy, CC BY-SA 2.0, via Wikimedia Commons
Peak months
Great Bustard: 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.

Great Bustard has been recorded in 22 of the 2,971 10 km squares covering UK land (1%) in records to 2026. Its strongest squares are in England. Reporting peaks in March.

Conservation status: Endangered (IUCN Red List, EN)
View on the IUCN Red List
Relative to this species' best squares (how classes are calculated)
Very high
100% or more of visits
High
32% to 100%
Moderate
4% to 32%
Low
under 4%
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 62%<1%Moderate
February 41%<1%Moderate
March 100%<1%Low
April 0%<1%Very high
May 0%<1%Very high
June 0%<1%Very high
July 0%<1%Insufficient records
August 70%<1%Very high
September 66%<1%Very high
October 65%<1%Very high
November 47%<1%Low
December 77%<1%Very high

Squares with the highest reporting rate in March

SquareWhereShare of visitsClass
SU15Wiltshire, England52%High
SU05Wiltshire, England43%High
SU14Wiltshire, England6%Moderate
SU26Wiltshire, England3%Low
SU38Oxfordshire, England2%Low
SU13Wiltshire, England2%Low
SZ39Hampshire, England<1%Low
ST35Somerset, England<1%Surveyed, not recorded
ST43Somerset, England<1%Surveyed, not recorded
ST44Somerset, England<1%Surveyed, not recorded

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.