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Species · Birds

Willow Warbler

Phylloscopus trochilus

223,873Records since 2000
AprilPeak month
127Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan26
Feb28
Mar2,661
Apr62,189
May61,186
Jun32,883
Jul14,847
Aug29,279
Sep14,456
Oct2,447
Nov113
Dec27

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Highland Scotland12,774
2Cambridgeshire England7,313
3Norfolk England6,846
4East Riding of Yorkshire England6,642
5North Yorkshire England6,228
6Cumbria England5,007
7Devon England4,477
8South Ayrshire Scotland4,189
9Suffolk England3,972
10Cornwall England3,896
11Surrey England3,673
12Dorset England3,599
13Shetland Islands —3,566
14Lincolnshire England3,247
15Oxfordshire England3,165
163,080 England47,298 Scotland10,995 Wales2,335 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 127 counties in all.

About this species

Records since 2000
223,873
Peak month
April
Counties with records
127
IUCN Red List
Least Concern
Scientific name
Phylloscopus trochilus
Group
Birds
NBN Atlas records since 2000
206,004
Conservation designations
Birds of Conservation Concern, GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Phylloscopidae
Genus
Phylloscopus
Name with authority
Phylloscopus trochilus (Linnaeus, 1758)
Described
1758
Contributing datasets
54

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q27239 · GBIF 2493052