Troglodytes troglodytes

Eurasian Wren / Gärdsmyg

Main author:
Aron Edman, September 2015.
Supplemented by:
Magnus Hellström, September 2015.
Citation: 
Ottenby Bird Observatory. 2015. Ringers' DigiGuide - Troglodytes troglodytes. www.ringersdigiguide.ottenby.se
 
MOULT:
                      Adult          Young
summer        
SC              sp
winter             wp*            wp*
Young sp: The post-juvenile moult includes the body, LC, MC and inner GC (81% of the birds at Ottenby included 4-7 GC, but range include 0-10, albeit the extremes are rare). The majority does not include alula or tertials, but according to Jenni & Winkler (1994) 16% moult one alula, 28% moult one tertial, 11% two tertials and 1% three tertials. No, single or several RR may be included.
Young wp:  According to litterature, there is a limited pre-breeding moult restricted to parts of body only.  
Adult SC: The post-breeding moult is complete and includes the whole plumage.
Adult wp: 
According to litterature, there is a limited pre-breeding moult restricted to parts of body only.  
Number of GC included in the post-juvenile moult shown as percentage of 1cy birds at Ottenby 2000-2014 (n=3895).
[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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