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.