Chaetura vauxi, commonly known as Vaux's Swift, can be found anywhere from southwestern Canada to the western United States, and in Mexico, Central America, and northern Venezuela. Their breeding range includes western North America from southeast Alaska, northwest and southern British Columbia, northern Idaho and western Montana south to central California. The southern breeding range consists of the Yucatan Peninsula, western Mexico, and as far south as Panama and Venezuela. (Bull, Collins 1993)
Vaux's Swifts that do indeed migrate reside north of Mexico and migrate south. They arrive in the north in late April to early May and migrate south between mid-August to late September. Swifts generally fly in large flocks. Swifts that live in southern regions are most likely residents. Swifts can be found during the winter time in central Mexico south to Middle America and Venezuela, sometimes in central California. (Bull, Collins 1993)
Biogeographic Regions: nearctic (Native ); neotropical (Native )
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