Birdwatch: without ash, whither rooks?, Birds
Por um escritor misterioso
Descrição
Large swathes of the Somerset Levels have no rookeries at all as ash dieback disease takes its toll on trees
Rook (bird) - Wikipedia
Birdwatch + Birds, Environment
BTO Bird ID - Corvids - Crow, Rook, Raven
Rook - BirdWatch Ireland
Rook, crow or raven? How to tell them apart - Woodland Trust
Rook (Corvus frugilegus) - North American Birds - Birds of North America
Birdwatch + Birds, Environment
Rook - BirdWatch Ireland
Rook (Corvus frugilegus) - North American Birds - Birds of North America
