I corvidi comprendono il concetto di probabilità. Lo dimostra il comportamento di due cornacchie (Corvus corone) addestrate a scegliere tra simboli colorati associati a una diversa probabilità di ...

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The function of the conspicuous pre-roost gathering in communally roosting birds is poorly known. We studied movement and social cohesion of radio-tagged hooded crows (Corvus corone cornix) from their ...

The Carrion Crow (Corvus corone corone) and the Hooded Crow (C. corone cornix) have parapatric ranges in Europe with narrow areas of hybridization. Reproductive biology of populations of Carrion and ...