It is a large, gregarious, black-feathered bird, distinguished from similar species by the whitish featherless area on the face. Rooks nest collectively in the tops of tall trees, often close to …

rook, (Corvus frugilegus), the most abundant Eurasian bird of the crow family Corvidae (q.v.). It resembles the carrion crow in size (45 cm [18 inches]) and in black coloration, but the adult …

Rooks are highly social birds, living and breeding in colonies known as rookeries. These colonies can range in size from a few nests to hundreds. Rookeries are not static; they may shift …

Discover the fascinating world of rooks, large Corvidae birds found throughout Eurasia. Learn about their appearance, expert egg-robbing skills, unique anting behavior, special memory, …

Rook calls are higher pitched and less rolling than other crow calls.

Rooks are highly social, living and interacting in large groups, although mating tends to monogamous. This bird species is largely arboreal and actively defends its territory.

Rooks, a part of the crow family, are easily identifiable by their striking black plumage, which gleams blue or purple in sunlight. Adults are notable for their whitish, featherless face area, …

Rooks are colonial nesters, forming large, noisy rookeries in tall trees. Breeding typically begins in March, with pairs engaging in aerial displays and mutual preening.

Aug 7, 2025 · Rooks are highly social birds, frequently observed in flocks of varying sizes throughout the year. They form strong pair-bonds that last a lifetime, with pairs staying …

Rooks are distinguished from similar members of the crow family by the bare gray-white skin around the base of the adult's bill in front of the eyes. The feathering around the legs also …