63. Pernis (Honey Buzzard). Lore with feathers; tarsi short and strong, naked or feathered; wings large, the fourth primary the longest.
SUB-FAMILY AQUILINÆ
Bill stout, convex or slightly angular above, straight at the base, much hooked at the tip, commissure simply festooned; cere bristly; nostrils rounded or oval; wings long. Hinder aspect of tarsus reticulate.
64. Aquila (Eagles). Upper mandible with the cutting edge nearly straight; tarsi feathered to the toes; claws unequal, grooved beneath; wings with the fourth primary longest.
65. Haliaëtus (Sea-eagle). Bill very long; edges of the upper mandible slightly prominent near the hook; tarsi half-feathered; claws unequal, grooved beneath; wings with the fourth primary longest; nostrils transverse, with bony margin all round.
66. Pandíon (Osprey). Bill short, cutting edges of the upper mandible nearly straight; tarsi naked; outer toe reversible; claws equal, rounded beneath; wings with the second primary longest.