Turdus merula

Common Blackbird

Main author: Magnus Hellström, November 2014.
Citation: Ottenby Bird Observatory. 2015. Ringers’ DigiGuide – Turdus merula. www.ringersdigiguide.ottenby.se

MOULT

                     Adult         Young

Summer       SC              sp

Winter           –                 –

Young sp: The post-juvenile moult includes the body, LC, MC and inner GC (>90% of our birds at Ottenby have included 4-8 inner GC in the moult). In rare cases (c. 1% of our birds) all GC are moulted. A few birds include single or several RR and/or TT (and occasionally also inner SS).
Adult SC: The post-breeding moult includes the whole plumage.

Number of GC included in the post-juvenile moult shown as percentage of 1cy birds at Ottenby 2000-2013 (n=1147).

AGE:

Autumn
Spring

SEX:

Autumn and spring

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