Raven, Corvus corax. Resident (some winter visitors) mainly in highland areas; rare east of Sevem-
DESCRIPTION: 28 inches. Sexes alike. Biggest "crow": long powerful bill and ruffed feathers of throat distinguish from 3. In flight shows tapered wedge-
VOICE: Usual call deep double croak (cronk). In spring, vocabulary of metallic notes, usually uttered on wing.
HABITS: Walks or hops clumsily. Normal flight by slow purposeful beats or soaring, but aerobatics in spring include corkscrew dives. Forms small flocks at times and roosts socially in winter.
MAY BE CONFUSED with 3.