Rook BTO - British Trust for Ornithology

Rook - BirdWatch Ireland

Identify crows Wildlife Watch

My mother and the majestic rook seem to have a thing going on. He has become quite tame – The Irish Times

Rook BTO - British Trust for Ornithology

Garden Rook Survey BTO - British Trust for Ornithology

Birdwatch: without ash, whither rooks?, Birds

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

Rook - BirdWatch Ireland

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