Bill, short, hooked, upper mandible always furnished with a well defined
tooth; head, rather large; feet and tarsi, very strong; toes and claws,
long, the latter very sharp and strong; wings, long, pointed; tail,
rather lengthened.
Embracing about fifty species, inhabiting all parts of the earth, and
may be regarded as presenting the highest organization of the Rapacious
form of Birds.