Cyanocoracinae

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Cyanocitta is a genus of birds in the family Corvidae, a family which contains the crows, jays, and magpies. The genus includes two jays with blue plumage and a distinctive feather crest: the blue jay and Steller's jay. Found only in temperate North America, the Rocky Mountains divide the two species. These jays inhabit deciduous, mixed, and coniferous forests, feeding mainly on seeds, invertebrates, and small vertebrates, with occasional human food. As omnivores, they breed from spring to early summer, nesting in treetops or bushes with clutches of three to six eggs. They are the only America

species of bird of the monotypic genus Gymnorhinus of family Corvidae

The passerine birds of the genus Aphelocoma include the scrub jays and their relatives. They are New World jays found in Mexico, western Central America and the western United States, with an outlying population in Florida. This genus belongs to the group of New World (or "blue") jays—possibly a distinct subfamily–which is not closely related to other jays, magpies or treepies. Within this group, according to a 2023 molecular analysis, Aphelocoma is the sister group to a clade consisting of Cyanocitta and Gymnorhinus. They live in open pine-oak forests, chaparral, and mixed evergreen forests.

Cyanolyca is a genus of small jays found in humid highland forests in southern Mexico, Central America and the Andes in South America. All are largely blue and have a black mask. They also possess black bills and legs and are skulking birds. They frequently join mixed-species flocks of birds.

Cyanocoracinae (the New World jay subfamily) is one of the six subfamilies of the crow family Corvidae. It is composed of 5 genera totalling 39 species.