Where do some individual Vermilion Flycatchers from the northern US population spend the winter?

Answer

Along the California coast

Although the species is largely resident in the core of its North American range, there is some migratory movement. Specific individuals from the northern parts of the US range are known to travel and winter along the coast of California, with notable observations documented in regions like San Diego County.

Where do some individual Vermilion Flycatchers from the northern US population spend the winter?
locationbirdFlycatcher