出典:Wikipedia
出典:『Wikipedia』 (2011/06/07 18:35 UTC 版)
The Guianan Cock-of-the-rock, Rupicola rupicola, is a South American passerine about 30 cm (12 in) in length. The bright orange male has an extraordinary half-moon crest, which is used is competitive displays in lek gatherings to attract a female.