After completion of post-juvenile moult, most birds are reliably sexed once aged correctly. However, more difficult birds are not rare and should be left unsexed. Further help is given in Svensson (1992) and we recommend using this reference while we continue to complete our photographic collection of autumn birds.
Male, 1cy, October. A rather dull (more dull than average) young male, with rather extensive yellow bases to crown feathers hiding under the fresh brownish tips. [2KR09995]
Female, 1cy, October. Long dark shaft streaks and a limited amount of yellow at the bases of the crown feathers. Note, however, tha a few young males may approach this pattern. [2KR09248]
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