Rook BTO - British Trust for Ornithology

Rook - Corvus frugilegus, Above the salt… A dominant Rook h…

bird ringing Blashford Lakes Nature Reserve

Identification of Juvenile Rooks and Carrion Crows - Corvid Isle

How to identify which “Black” bird it is! – Woodland Ways Blog – Bushcraft and Survival

Identifying Rooks BTO - British Trust for Ornithology

Black birds that aren't blackbirds

UKBI - C5. Birds of the wider countryside and at sea JNCC - Adviser to Government on Nature Conservation

BTOvideo

Rooks are non-native birds that - Waikato Regional Council

Rook Wildwood Group

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RSPB Pocket Guide to British Birds

PDF) Numbers of nesting Rooks Corvus frugilegus in the United Kingdom in 1996