chough

chough

[chuhf]
noun
any of several crowlike Old World birds, especially Pyrrhocorax pyrrhocorax, of Europe.

Origin:
1275–1325; Middle English choghe; akin to Old English cēo, Dutch kauw, Danish kaa

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chough (tʃʌf)
 
n
1.  a large black passerine bird, Pyrrhocorax pyrrhocorax, of parts of Europe, Asia, and Africa, with a long downward-curving red bill: family Corvidae (crows)
2.  alpine chough a smaller related bird, Pyrrhocorax graculus, with a shorter yellow bill
 
[C14: of uncertain origin; probably related to Old French cauwe, Old English cēo]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

chough

any of three crowlike birds with down-curved bills. In the family Corvidae (q.v.; order Passeriformes) are the common chough (Pyrrhocorax pyrrhocorax), of sea cliffs and rocky uplands from the British Isles to China, and the alpine chough (P. graculus), of high mountains from Morocco and Spain to the Himalayas. Both are about 38 cm (15 inches) long and glossy blue-black; the former is red-billed, the latter yellow-billed. These choughs are gregarious, have whistling calls, and are aerial acrobats. In the family Grallinidae is the white-winged chough (Corcorax melanorhamphus) of Australian forests. It is almost identical to the corvid choughs but has white wing patches and a less powerful, black bill. Flocks feed on the ground, with much jumping about. The mud-walled nest, high in a tree, is made and used cooperatively.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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