Most (including all northern) populations are migratory. The peaks of migration are in October and March/April. The winter range extends across southern Canada and virtually all of the lower 48 states into northern Mexico.

Where do juncos go in the summer time?

Dark-eyed Juncos summer in forest openings in northern parts of North America and in forested mountains in the West. Up to 66% of all Dark-eyed Juncos nest in the boreal forests. In winter they move south and are found in most of the United States.

Do juncos migrate in winter?

Migration. ... Juncos that breed in Canada and Alaska migrate to the southern United States in winter. Some populations in the Rocky Mountains are only short-distance migrants, and some individuals in the West and in the Appalachian Mountains of the East don't migrate at all.