
28/01/2025
“As for those lores, White-throated Sparrows are unable to produce yellow, so the birds depend on a diet rich in carotenoids—pigments manufactured mainly by plants—to provide this golden hue. Their fall and winter diet of seeds and fruit—especially wild cranberries, blueberries, and grapes—give the sparrows a carotenoid boost. “ (source:audubon.org)
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