Sylvia curruca

Lesser Whitethroat / Ärtsångare

Main author:
Magnus Hellström, August 2014.

Citation: 
Ottenby Bird Observatory. 2015. Ringers DigiGuide - Sylvia curruca. 
www.ringersdigiguide.ottenby.se
 
MOULT:
                      Adult          Young
summer        
SC               sp
winter            wp               wp
Young sp: The post-juvenile moult includes most of body, LC, MC, 7-10 GC, and sometimes also inner alula feathers, CC, single tertials and RR.
Young wp: The pre-breeding moult includes most of body, often some tertials, some RR (often only R1, but at times more extensively) and inner alula. A few include innermost SS and innermost GC. Rarely, more SS/PP may be included. 
Adult SC: The post-breeding moult includes the complete plumage. Rare examples of arrested/suspended moult are known.
Adult wp: The pre-breeding moult includes most of body, often some tertials and some RR (often only R1, but at times more extensively). A few include innermost SS and innermost GC.
Number of GC included in the post-juvenile moult shown as percentage of 1cy birds at Ottenby 2011-2013 (n=410).
[The symbol + is used for birds showing irregular moult sequence.]
[Two categories of birds were excluded: 1) Birds that had not yet conducted the moult of the GC, and 2) birds where the assessment of the moult was deemed as less certain.]
AGE:

Autumn
Spring
SEX:

No plumage differences.
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