Hind toe-nail much lengthened; bill rounded, straight; tarsus rounded behind as well as in front; our species with a tuft of feathers on either side of the head; outer primary short or rudimentary; walking birds, singing while on the wing.
Family 50. CROWS AND JAYS. Corvidæ.
Large perching birds, usually twelve inches or more in length; bill stout; nostrils covered by projecting bristles; feet heavy; outer tail-feathers usually shortest; fourth to fifth primary longest, first about half as long.
Family 52. BLACKBIRDS, ORIOLES, ETC. Icteridæ.
Base of bill, between nostrils, extending back and dividing feathers on forehead; nostrils not concealed by bristles; first three primaries of equal length.
