Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).
Locally Migrant: Yes. At least some populations of this species make annual migrations of over 200 km.
Migrants arrive in Sierra Nevada nesting areas in late May; on California coast, males begin to arrive in late March (Stewart et al. 1978). Migrants arrive in the southern winter range in mid-September, depart by mid-May (Stiles and Skutch 1989).