The Chaffinch is our commonest finch and has striking double white wing bars. The wing bars are formed by white patches on the wing coverts, and primary and secondary wing feathers. Its summer plumage is brighter that its winter plumage.
The male Chaffinch has a pink breast and cheeks, blue-grey crown and nape, and chestnut brown back. In summer, its bill is grey-blue, turning to pale brown in the winter.
The female has an olive-brown back, and grey-brown underparts becoming almost white towards the rump, which is greenish. The juveniles are similar to the female but lack the greenish rump. The bill is brown in both the female and juveniles.
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