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The UK Bird Atlas

Olive-tree Warbler (Hippolais olivetorum)Where and when to see it in the UK

Vagrant · reporting peaks January · Reed Warblers and Allies · BOU category A

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

Olive-tree Warbler (Hippolais olivetorum)
Derek Keats from Johannesburg, South Africa, CC BY 2.0, via Wikimedia Commons

Too few records to rate squares by month. Each marked square has at least one record; the table below gives the count and years.

Olive-tree Warbler: 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.

Olive-tree Warbler has been recorded in 1 of the 2,971 10 km squares covering UK land (0%) in records to 2026. Vagrant in the UK. Reporting peaks in January.

Conservation status: Least Concern (IUCN Red List, LC)
View on the IUCN Red List

Records by 10 km square

SquareWhereRecordsYearsVerified
HU31Shetland Islands, Scotland12006unverified

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.