Aquatic Warbler
Acrocephalus paludicola (Vieillot, 1817)
AQ
AQUWA
12420
Family: Passeriformes > Acrocephalidae
Similar to a Sedge Warbler in general appearance, but with a buff crown stripe and more patterned back, Aquatic Warbler is a rare passage visitor to Britain.
Aquatic Warbler has a restricted breeding range, with 80% of the global population thought to breed in Poland. Autumn movements to the wintering grounds in western Africa result in records of birds along the English Channel coasts. Numbers here fallen in recent years, most likely a result of declines in the breeding populations linked to habitat loss.
Identification
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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.
DISTRIBUTION
This vagrant is too rarely reported to map distribution.
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.
Foreign locations of birds ringed or recovered in Britain & Ireland
Biology
Lifecycle and body size information about Aquatic Warbler, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.
BIOMETRICS
Juveniles | 64.1±1.5 | Range 62-66mm, N=57 |
Juveniles | 11.5±1.1 | Range 10.0–13.2g, N=55 |
CODES & CLASSIFICATION
Ring size | A |
Field Codes | 2-letter: AQ | 5-letter code: AQUWA | Euring: 12420 |
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Links to more information from ConservationEvidence.com
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