_Breeding range._--The orange-crowned warbler breeds =north= to north-central Alaska (Kobuk River and Fort Yukon; a specimen has been collected near Point Barrow); northern and western Mackenzie (Fort McPherson, Fort Anderson, Lake Hardisty, and Hill Island Lake); northern Saskatchewan (near Sand Point, Lake Athabaska); northeastern Manitoba (Churchill and York Factory); and casually to northwestern Quebec (Richmond Gulf). =East= to eastern and southern Manitoba (York Factory, Winnipeg, and Aweme); southwestern Saskatchewan (East End and the Cypress Hills); southeastern Alberta (Medicine Hat); western Montana (Great Falls, Belt, and Bozeman); northwestern and southeastern Wyoming (Yellowstone Park and Laramie); central Colorado (Denver, Colorado Springs, Wet Mountains, and Fort Garland); central New Mexico (Taos Mountains and Willis); and southwestern Texas (Guadalupe Mountains). =South= to southwestern Texas (Guadalupe Mountains); south-central New Mexico (Capitan Mountains); southeastern and northwestern Arizona (Tucson, Santa Catalina Mountains, and north rim of the Grand Canyon); southern Nevada (St. Thomas); and southern California (Panamint Mountains, San Bernardino Mountains, San Jacinto Mountains, Coronado Beach, and San Clemente Island). =West= to the Pacific coast of California (San Clemente and Santa Rosa Islands, Santa Barbara, San Francisco, and Eureka); Oregon (Coos Bay and Tillamook); Washington (Cape Disappointment, Stevens Prairie, and Neah Bay); British Columbia (Nootka Sound and the Queen Charlotte Islands); and Alaska (Sitka, Yakutat, Nushegak, Igiak Bay, St. Michael, and the Kobuk River). The orange-crowned warbler has been recorded in migration in southern Quebec as far east as Metamek and may occasionally breed. There is a single breeding record for Minnesota at Cambridge.