43. Strix, owl. Beak hooked, feathers at its base directed forwards: 12 species.
44. Lanius, shrike. Beak straightish, notched: 26 species.
Order II. Picæ.
45. Psittacus, parrots. Beak hooked; upper mandible furnished with a cere: 47 species.
46. Ramphastos, toucan. Beak very large, hollow, convex, serrated; both mandibles incurved at the tip: 8 species.
47. Buceros, hornbill. Beak convex, curved, cultrate, large, serrated; forehead covered with a horny plate: 4 species.
46. Buphaga, beef-eater. Beak straight, somewhat quadrangular; the mandibles bulging: 1 species.
49. Crotophaga, plantain-eater. Beak compressed, half-eggshaped, arched, keeled on the back: 2 species.
50. Corvus, crows. Beak convex, cultrate; nostrils covered by recumbent bristly feathers: 19 species.
51. Coracias, roller. Beak cultrate, the tip incurved, not covered with feathers at the base: 6 species.