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The crown, chin and back of the female are grey, with black streaks. Juveniles look similar to the females, but are a little more yellow and more streaked.
 

The crown and bib of male birds are black, the back greenish, with narrow black stripes. The cheeks, breast, and vent area are yellowish-green.
 

The winter number of siskins varies widely – from some ten thousands to hundred thousand.
 

See siskin photos in Arne’s photo bank.