Arctic Warbler
Phylloscopus borealis (JH Blasius, 1858)
AP
ARCWA
12950
Family: Passeriformes > Phylloscopidae
This small warbler has a breeding range that extends from Norway east to the Bering Strait and across into western Alaska. All of these populations winter in south-east Asia.
The majority of our records come from Scotland, and arrivals have an autumn rather than spring focus.
Select a topic for more facts and statistics about the Arctic Warbler
BTO RECORDS
BTO RECORDS
Identification
Arctic Warbler identification is often difficult.
Develop your bird ID skills with our training courses
Our interactive online courses are a great way to develop your bird identification skills, whether you're new to the hobby or a competent birder looking to hone your abilities.
Browse training coursesStatus and Trends
Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.
CONSERVATION STATUS
This species can be found on the following statutory and conservation listings and schedules.
| Species of European Conservation Concern | Least Concern |
| IUCN Red List of Threatened Species (global) |
Least Concern 
|
| Schedule 1 license required (to disturb) | No |
| Birds Directive Annex 1 | No |
POPULATION SIZE
We have no population estimates for this scarce species.
| BOU Category | A |
|
First Record
|
Sule Skerry, 1902 |
DISTRIBUTION
This species is a rare vagrant and was recorded during Bird Atlas 2007–11 as shown on the map.
More from the Atlas Mapstore.
Occupied 10-km squares in UK
| No. occupied in winter | 1 |
| % occupied in winter | 0.03 |
European Distribution Map
DISTRIBUTION CHANGE
This vagrant is too rarely reported to map distribution change.
SEASONALITY
Arctic Warbler is a rare autumn vagrant.
Movement
Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.
RINGING RECOVERIES
View a summary of recoveries in the Online Ringing Report.
Biology
Lifecycle and body size information about Arctic Warbler, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.
PRODUCTIVITY & NESTING
Sample sizes are too small to report Productivity and Nesting statistics for this species.
BIOMETRICS
Sample sizes are too small to report Biometrics for this species.
Feather measurements and photos on featherbase
CODES & CLASSIFICATION
|
Field Codes
|
2-letter: AP | 5-letter code: ARCWA | Euring: 12950 |
For information in another language (where available) click on a linked name
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