Do yellow finches lose color in winter?
The only finch in its subfamily to undergo a complete molt, the American goldfinch displays sexual dichromatism: the male is a vibrant yellow in the summer and an olive color during the winter, while the female is a dull yellow-brown shade which brightens only slightly during the summer.
Do yellow finches stay yellow all year?
American goldfinches molt their feathers twice a year, once in the winter and once before mating season. These bright yellow feathers are not always as bright. But they can still be around all year, not just in spring and summer, because not all finches migrate in the winter.
Do Goldfinches turn brown?
If you've got American Goldfinches coming regularly to your feeder, September and October is the time to watch the transition from gold to gray.
Range and seasonal movements. American Goldfinches breed across southern Canada and the northern two-thirds of the United States. There is a resident subspecies in California that does not migrate. Most of these goldfinches migrate southward out of Canada in winter.
The white feathers of the willow ptarmigan allow the bird to creep across the snow unnoticed by its predators.