Acrocephalus scirpaceus

European Reed Warbler

Main author: Magnus Hellström, December 2014.
Citation: Ottenby Bird Observatory. 2015. Ringers’ DigiGuide – Acrocephalus scirpaceus. www.ringersdigiguide.ottenby.se

IDENTIFICATION: For separation of A. scirpaceus from palustris, see this quick-guide.

MOULT

                     Adult         Young

Summer       sp               sp

Winter          WC             WC

Young sp: The post-juvenile moult is very restricted Only parts of body are included.
Young WC: The pre-breeding moult includes whole plumage. Any variation in wear in spring is likely to be caused by differing (or prolonged) periods of moult during winter.
Adult sp: The post-breeding moult is very restricted Only parts of body are included.
Adult WC: The pre-breeding moult includes whole plumage. Any variation in wear in spring is likely to be caused by differing (or prolonged) periods of moult during winter.

AGE:

Autumn
Spring

SEX:

No plumage differences.

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