Eastern Olivaceous Warbler
Iduna pallida (Hemprich & Ehrenberg, 1833)
OLIWA 
12550
Family: Passeriformes > Acrocephalidae
Recently separated as a species from the western form, Eastern Olivaceous Warbler is an extremely rare visitor to Britain & Ireland.
The breeding range extends from northern China west to Croatia, with other populations in central and north-west of Africa.
Select a topic for more facts and statistics about the Eastern Olivaceous Warbler
BTO RECORDS
BTO RECORDS
Identification
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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
|
Isle of May, 1967 |
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.
SEASONALITY
Eastern Olivaceous Warbler is a very 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 Eastern Olivaceous 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
|
5-letter code: OLIWA | Euring: 12550 |
For information in another language (where available) click on a linked name
Links to more studies from ConservationEvidence.com
- Changes in the breeding bird population of a small clay river following flood alleviation works
- Breeding birds of the Buitenkaadse Oostvaardersplassen in 1997, 2002 and 2007.
- Experimental evidence for the influence of food availability on incubation attendance and hatching asynchrony in the Australian reed warbler
Read more studies about Eastern Olivaceous Warbler on Conservation Evidence >
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