Songbird (Dolichonyx oryzivorus) that breeds in northern North America and winters chiefly in central South America. Migrating flocks may raid rice fields, and the fat "ricebirds" were formerly shot as a table delicacy. In the breeding season the 7-in (18-cm) male bobolink (named for his bubbling song) has a black underside, yellow hindneck, white back and rump, and white patches on the wings; in winter he resembles the brown female