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Rook

Birds
The rook is a member of the family Corvidae in the passerine order of birds. It is found in the Palearctic, its range extending from Scandinavia and western Europe to eastern Siberia. It is a large, gregarious, black-feathered bird, distinguished... Wikipedia
Scientific name: Corvus frugilegus
Mass: 0.74 – 1.2 lbs
Collective noun: building and parliament
Conservation status: Least Concern (Population decreasing)
Family: Corvidae
Clutch size: 3 – 5
Class: Aves