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The UK Bird Atlas

Scopoli's Shearwater (Calonectris diomedea)Where and when to see it in the UK

Status not yet classified · reporting peaks August · Petrels, Shearwaters, and Diving Petrels · BOU category A

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

Scopoli's Shearwater (Calonectris diomedea)
Marcabrera, CC BY-SA 2.0, via Wikimedia Commons
Peak months
Scopoli's Shearwater: 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.

Scopoli's Shearwater has been recorded in 25 of the 2,971 10 km squares covering UK land (1%) in records to 2026. Its strongest squares are in England, Northern Ireland and Wales. Reporting peaks in August.

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
11% to 100%
Moderate
<1% to 11%
Low
under <1%
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 0%<1%Very high
February 0%<1%Insufficient records
March 0%<1%Insufficient records
April 0%<1%Insufficient records
May 0%<1%Insufficient records
June 0%<1%Insufficient records
July 19%<1%Low
August 100%<1%Very high
September 3%<1%Very high
October 12%<1%Very high
November 0%<1%Very high
December 0%<1%Insufficient records

Squares with the highest reporting rate in August

SquareWhereShare of visitsClass
SS87Bridgend, Wales100%Very high
SW32Cornwall, England100%Very high
SW42Cornwall, England100%Very high
SW71Cornwall, England100%Very high
TM45Suffolk, England100%Very high
TM46Suffolk, England100%Very high
TM57Suffolk, England100%Very high
SW01Sea, off Isles of Scilly21%High
SV90Isles of Scilly, England11%High
SV80Sea, off Isles of Scilly7%Moderate

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.