Rooks, ravens and relations - BirdGuides
Por um escritor misterioso
Descrição
A comprehensive genetic analysis of all the recognised species and many subspecies of the cosmopolitan crow genus Corvus has been performed with some surprising results.
Details : Raven - BirdGuides
BTO Bird ID - Corvids - Crow, Rook, Raven
Rook, crow, raven or jackdaw? - Bird Aware Solent
Details : Rook - BirdGuides
British crow family guide: identification, habitat and species
Rook (bird) - Wikipedia
Rook (Corvus frugilegus) - North American Birds - Birds of North
Rook - eBird
The rook: myths, history & identification - Saga
Family Corvids Collection Birds Comparison Raven Rook Magpie Black
What's the difference between a crow, a rook, and a raven? - Quora
Rook
de
por adulto (o preço varia de acordo com o tamanho do grupo)
