Clades:
Passerida;
Australaves;
Aves;
Sauropsida;
Animals;
Kingdoms.
Members: x Ammodramus humeralis; x Ammospiza caudacuta; x Amphispiza bilineata; x Arremon abeillei; x Arremonops chloronotus; x Artemisiospiza belli; x Atlapetes citrinellus; x Calamospiza melanocorys; x Centronyx bairdii; x Chlorospingus canigularis; x Chondestes grammacus; x Junco bairdi; x Melospiza georgiana; x Melozone aberti; x Oreothraupis arremonops; x Oriturus superciliosus; x Passerculus sandwichensis; x Passerella iliaca; x Peucaea aestivalis; x Pezopetes capitalis; x Pipilo chlorurus; x Pooecetes gramineus; x Rhynchospiza stolzmanni; x Spizella atrogularis; x Spizelloides arborea; x Torreornis inexpectata; x Xenospiza baileyi; x Zonotrichia capensis.