chough 
(chŭf)
(chŭf)n.
1. A crowlike Old World bird of the genus Pyrrhocorax, especially P. pyrrhocorax, having black plumage and red legs.
2. The white-winged chough (Corcorax melanorhamphos) of Australia, which is similar in appearance to the Old World choughs.
[Middle English, any of various crowlike birds such as the chough and jackdaw; akin to Dutch kauw, jackdaw, probably ultimately imitative of the birds' calls.]