Species: Ardea alba

H - >2,500,000 square km (greater than 1,000,000 square miles) - H - BREEDS: in North America locally from southern Oregon and southern Idaho south through California, Nevada, and southwestern Arizona, and from southeastern Saskatchewan, southwestern Manitoba, central Minnesota, southwestern Wisconsin, central Illinois, southern Indiana, southern Ontario, northern Ohio, Vermont (probably), and Maine south through the Gulf states (and west to eastern Colorado, southern New Mexico, and south-central Texas), along both coasts of Mexico (interior locally), and through the Bahamas, Antilles, Middle America, and South America to southern Chile and southern Argentina. Widespread also in Old World. NORTHERN WINTER: occurs regularly north to North Carolina, southern U.S, and California; south through breeding range to southern South America; also Old World. In the U.S., areas with the highest winter densities include the Chassahowitzka NWR on the Gulf coast of Florida, the Sabine NWR on the coast near the Louisiana-Texas border, the southern Colorado River near the Imperial and Cibola refuges, and Humboldt Bay NWR in northern California (Root 1988). Wanders irregularly outside usual range; a few times to Hawaii.