rook, term used for a common Eurasian bird (genus Corvus) of the family Corvidae (Crow Crow, indigenous people of North America whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages ) and who call themselves the Absaroka, or bird people.
..... Click the link for more information. family), smaller than the American crow. The jackdaw is a European species of the genus. Rooks nest in large colonies, whence the term rookery. They are classified in the phylum Chordata Chordata (kôrdā`tə,–dä`–)
..... Click the link for more information. , subphylum Vertebrata, class Aves, order Passeriformes, family Corvidae.

rook

Most abundant Eurasian bird (Corvus frugilegus) of the crow family (Corvidae). Rooks, 18 in. (45 cm) long, are black and have shaggy thigh feathers and bare white skin at the base of the sharp bill. They are migratory and range discontinuously from Britain to Iran and Manchuria. They dig for larvae and worms in meadows and plowed fields. They nest in large colonies (rookeries) in tall trees, sometimes within towns; the nest, solidly constructed of twigs and soil, is used year after year.

rook¹

a large Eurasian passerine bird, Corvus frugilegus, with a black plumage and a whitish base to its bill: family Corvidae (crows)

rook²

a chesspiece that may move any number of unoccupied squares in a straight line, horizontally or vertically.

rook (redirected from Corvus frugilegus)

rook

rook
(redirected from Corvus frugilegus)