Ficedula hypoleuca

Pied Flycatcher

Main author: Magnus Hellström, September 2015.
Supplemented by: Aron Edman, Simon S. Christiansen & Gabriel Norevik, September 2015.
Citation: Ottenby Bird Observatory. 2015. Ringers DigiGuide – Ficedula hypoleuca. www.ringersdigiguide.ottenby.se

MOULT

Adult Young

Summer SC* sp

Winter wp wp

Young sp: The post-juvenile moult includes most of body (a few uppertail-coverts are often left unmoulted), usually all LC, a variable number of MC and some inner GC (92% of the birds at Ottenby included 1-3 GC, but range include 0-8). TT and RR are usually not included, although exceptions occur rarely.
Young wp: The pre-breeding moult is generally more extensive than the post-juvenile moult. No, some or (rarely) all LC and MC are included, and most birds moult 5-7 inner GC. All three TT are generally included and many birds also moult 1-3 innermost SS. According to most sources RR are not (or only rarely) included but, surprisingly, birds showing single or several moulted RR are not uncommon at Ottenby.

Adult SC: The post-breeding moult generally includes the whole plumage, but S6 (and occasionally several inner SS) is often retained.
Adult wp: The pre-breeding moult is rather variable. No, some or (rarely) all LC and MC are included, and most birds moult 5-7 inner GC. All three TT are generally included and many birds also moult 1-3 innermost SS. According to most sources RR are not (or only rarely) included but, surprisingly, birds showing single or several moulted RR are not uncommon at Ottenby.

Number of GC included in the post-juvenile moult shown as percentage of 1cy birds at Ottenby 2000-2014 (n=511).

Number of GC included in the pre-breeding moult shown as percentage of 2cy and 3cy+ birds at Ottenby 2010-2014 (n=308).

AGE:

Autumn
Spring

SEX:

Autumn

Spring

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