Lanius collurio

Red-backed shrike

Main author: Magnus Hellström, August 2015.
Citation: Ottenby Bird Observatory. 2015. Ringers’ DigiGuide – Lanius collurio. www.ringersdigiguide.ottenby.se

MOULT

                     Adult         Young

Summer       sp               sp

Winter          WC             WC

Young sp: The post-juvenile moult is rather restricted but variable and often only includes parts of the body, LC and MC. More advanced birds may rarely include whole body, LC, MC and some inner GC.
Young WC: The pre-breeding moult is complete and includes the whole plumage.
Adult sp: The post-breeding moult is rather restricted but variable and often only includes parts of body, LC, MC and sometimes single TT or central RR. More advanced birds may rarely include whole body, LC, MC, TT and some inner GC.
Adult WC: The pre-breeding moult is complete and includes the whole plumage.

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