Rook - Sentinel Of The Farmlands

Rook BTO - British Trust for Ornithology

Rook (Corvus frugilegus) - British Birds - Woodland Trust

Rooks - it's a tribal thing

ADW: Corvus frugilegus: INFORMATION

BBC - Autumnwatch Blog: How and where to see rooks roosting

French Rooks Trained as Park Janitors

The Jackdaws, Rooks and Crows of Stonehenge - Silent Earth

Country Matters: Thieving will be punished with rook justice

Country diary: revelling in the sight and sound of rooks, Birds

Rooks are highly gregarious birds and are generally seen in flocks of various sizes. Males and females pair-bond for life and pairs stay together within flocks. In the evening, the birds often