Acrocephalus palustris

Marsh Warbler / Kärrsångare

Main author:
Magnus Hellström, December 2014.

Citation: 
Ottenby Bird Observatory. 2015. Ringers' DigiGuide - Acrocephalus palustris. 
www.ringersdigiguide.ottenby.se
 
IDENTIFICATION: For separation of A. palustris from scirpaceus, 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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