an american goldfinch feeds on thistle seeds, one of their primary food sources. goldfinches’ diet is mainly seeds – enough that brood parasites like cowbirds usually die from malnutrition if they hatch in goldfinch nests.
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Tag: goldfinch
american goldfinches primarily feed off of seeds from flower heads, with some preferred foods being thistle and sunflowers. their diet has an incredibly high percentage of seeds, though it is supplemented by fruits, berries, and insects.
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a side by side comparison of a male and female american goldfinch. the species is sexually dimorphic, but when the males are in their muted olive colored winter plumage it can be harder to differentiate between them.
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this unusually colored bird is a european goldfinch with partial leucism. leucistic animals do not produce enough pigmentation, leading to an entirely pale animal or a ‘piebald’ animal like this goldfinch.
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today's bird 