SUB-FAMILY FALCONINÆ
Bill short, strong, curved from the base, upper mandible strongly toothed, lower notched; nostrils round; tarsi strong and short; hinder aspect reticulate; wings long and pointed, with the second primary longest, the first and third equal in length and having the inner web notched near the extremity.
69. Falco (Falcons, Merlin, Hobby and Kestrel). Characters given above.
Hind toe articulated on the inner surface of the tarsus, united to other toes by a web.
FAMILY PELECANIDÆ
Bill strong, edges of the mandibles minutely toothed; wings long; legs short; toes four, all connected by a membrane.
70. Phalacrócorax (Cormorant). Bill straight, longer than the head, compressed; upper mandible much hooked at the point; face and throat naked; inner edge of the middle claw serrated; tail rounded, rigid.