According to the literature, goldfinches feed on seed. Locally, they certainly do this in the late summer, when they make good use of the masses of seeds released by the thistles and the occasional teasel. Those of us who feed goldfinches in the winter are urged to provide them with suitable seed such as niger, but ours ignore the seed feeders in favour of the peanut dispensers, where they fight a constant battle with the tits and siskins, and with the voracious hoards of chaffinches.
It's supposed to be possible to tell the sexes apart, the males having a larger red patch on their faces than the females. The Diary hasn't been able to do this - or, maybe, we only have one sex around here.
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