VI. Scansores.

Climbing birds, with opposing toes in pairs, two behind and two before. The order includes—

I. Ramphastidæ, Toucans.

II. Bucconidæ, Barbets.

III. Cuculidæ, Cuckoos.

IV. Picidæ, Woodpeckers.

V. Musophagidæ, Plantain-eaters.

VI. Coliidæ, Colys.

VII. Psittacidæ, Parrots.