Tag: Pyrrhocorax graculus

Sexual Size Dimorphism and Positive Assortative Mating in Alpine Choughs (Pyrrhocorax graculus)

Alpine Chough (Pyrrhocorax graculus) Science Article 3 abstract The degree of sexual size dimorphism in a number of different morphological characters was examined in a social corvid, the Alpine Chough, using measurements taken on 178 males and 144 females ANNE DELESTRADE, The Auk 118(2):553-556, 2001 Download article download full text (pdf)

Geographic diversification in the call repertoire ofthe genus Pyrrhocorax (Aves, Corvidae)

Alpine Chough (Pyrrhocorax graculus) Science Article 2 abstract We analysed the call repertoires of the Red-billed Chough (Pyrrhocorax pyrrhocorax) and the AlpineChough (Pyrrhocorax graculus) across three continents (Europe, Asia, and Africa) for intraspecific and interspecificdifferences in call-repertoire size and discuss the factors that could have promoted its evolution. Paola Laiolo, Antonio Rolando, Anne Delestrade, and […]

WINTER MOVEMENTS OF THE ALPINE CHOUGH: IMPLICATIONS FOR MANAGEMENT IN THE ALPS

Alpine Chough (Pyrrhocorax graculus) Science Article 1 abstract The home ranges and movements of marked Alpine choughs (Pyrrhocorax graculus) were investigated in Aosta Valley, western Italian Alps, in two study sessions: winter-spring 1996-1997 and winter-spring 1997-1998. Overall 28 birds were marked, six of these were also equipped with a small radio tag. P. Laiolo, A. […]

Alpine Chough (Pyrrhocorax graculus)

Passeriformes Corvidae Alpine Chough (Pyrrhocorax graculus) [order] Passeriformes | [family] Corvidae | [latin] Pyrrhocorax graculus | [UK] Alpine Chough | [FR] Chocard à bec jaune | [DE] Alpendohle | [ES] Chova piqigualda | [IT] Gracchio | [NL] Alpenkauw Physical charateristics Medium-sized, rather small-headed, graceful crow. Black, with relatively small, short, decurved yellow bill and red […]