62. Alcedo, kingsfisher. Beak three cornered, thick, straight, long: 15 species.
63. Merops, bee-eater. Beak curved, compressed, keeled: 7 species.
64. Upupa, hoopoe. Beak arcuate, convex, a little compressed, rather obtuse: 3 species.
65. Certhia, creeper. Beak arcuate, slender, acute: 25 species.
66. Trochilus, humming-bird. Beak slender, longer than the head, its tip tubular: 22 species.
Order III. Anseres.
67. Anas, swans, geese, and ducks. Beak lamellated at the margin, convex, obtuse: 45 species.
68. Mergus, merganser. Beak denticulate, cylindrical, the tip hooked: 6 species.
69. Alca, auk. Beak short, compressed, convex, furrowed; the lower mandible with a prominent angle: 5 species.
70. Procellaria, petrel. Beak a little compressed; the upper mandible hooked, the lower channelled and compressed at the tip: 6 species.