Describes locations, biomes, classification, reproduction, behavior, diet, economic importance, and listing status.

Brief article looks at physical characteristics, related species, range and map, photographs, sound, and other names.

From San Diego Zoo, contains description, range, habitat, images, video, classification, status, fun facts, diet, flocks, breeding, plumage, and threats.

Reports distinct ranges, types of habitat, plumage and size, mating systems, home ranges, seasonal food habits, known predators, and economic importance.

From Cornell Lab of Ornithology, pages look at physical appearance, similar birds, sound and pictures, seasonal range and coded map, and sources.

Illustrated article gives geographic range, key biomes, photographs, nesting colonies, parenting, longevity, social behavior, primary diet, known predators, and ecosystem roles.

Covers meaning of name, photographs, video, CITES and IUCN listings, appearance, sounds, locations, nesting grounds, diet, breeding, threats, and conservation measures.

Explains how it looks, average size, difference in sexes, related birds, breeding and wintering ranges, and other language names. Includes photos and distribution map.

Gives names, range habitat, description, adaptations, observations, and related links.