Northwest Passage | Passage West | Migrant worker | The Passage | rite of passage | migrant worker | Dark Passage (film) | Saratoga Passage | Passage to Juneau: A Sea and Its Meanings | New Passage | Mugla Passage | Inside Passage | Dark Passage | ''Dark Passage'' | A Passage To India | Westward Passage | The Segura River, at its passage by Murcia city. In the background Murcia's oldest bridge (Puente de los Peligros | The Passage (novel) | The Passage (2007 film) | The Circuit: Stories from the Life of a Migrant Child | The Case for Kosova: Passage to Independence | St Edward's Passage | Secret passage | Rite of passage | Rich Passage | Passage to Zarahemla | Passage du Gois | Passage des Panoramas | ''Parastichopus californicus'' at ebb/low tide, Saratoga Passage | '''Original''' black and white photo: ''Migrant Mother'', showing Florence Owens Thompson |
As non-breeding residents in the south of their migration range, they are passage migrants over the deserts of the southwest US, the Mojave, Sonoran, and Chihuahuan Deserts, where they make their stops along the flyway.
It formerly bred in Taiwan and the New Territories of Hong Kong although it is now only a non-breeding visitor or passage migrant to these countries.