Male and female cardinals (Cardinalis cardinalis) and white-throated sparrows (Zonotrichia albiocollis) searching for seed in the snow. This cardinal species inhabits the northernmost cardinal range and is found throughout the eastern U.S., southeastern Canada, and eastern Mexico. Males have much more vibrant colors than females and are slightly larger in size. White-throated sparrows are found throughout much of North America east of the Rockies, excluding Mexico.