Great Blue Heron (Ardea herodias)Where and when to see it in the UK
Vagrant · reporting peaks April · Herons, Egrets, and Bitterns · BOU category A
Too few records to rate squares by month. Each marked square has at least one record; the table below gives the count and years.
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 Blue Heron has been recorded in 4 of the 2,971 10 km squares covering UK land (0%) in records to 2026. Vagrant in the UK. Reporting peaks in April.
Conservation status: Not Evaluated (IUCN Red List, NE)
View on the IUCN Red ListRecords by 10 km square
| Square | Where | Records | Years | Verified |
|---|---|---|---|---|
| NO49 | Aberdeenshire, Scotland | 1 | 2024 | unverified |
| SV81 | Isles of Scilly, England | 31 | 2015 to 2020 | unverified |
| SV91 | Isles of Scilly, England | 9 | 2015 to 2020 | unverified |
| J05 | Armagh City, Banbridge and Craigavon, Northern Ireland | 1 | 2015 | unverified |