Looks at physical characteristics, breeding and winter ranges, habitat, status, other names, map and pictures, reproduction, and feeding behavior.

Animal Diversity Web looks at images, physical characteristics, nesting, migration, life cycle, longevity, key behaviors, communication, primary diet, known predators, and status.

Cornell Lab of Ornithology examines size, plumage, forms, parenting, similar species, seasonal locations, habitat, diet, behavior, clutch size, and status.

Covers description, sound, video, status, images, range map, seasonal locations, habitat, nesting, sex differences, similar species, and diet.

Contains description, pictures, distribution, nesting, reproductive features, migration, diet, status, and wintering areas.