The Guianan cock-of-the-rock (Rupicola rupicola), is a species of cock-of-the-rock . It is about 30 centimetres (12 in) in length and weighs about 200 to 220 grams (7.1 to 7.8 oz). They are found in tropical rainforests, near its preferred habitat of rocky outcrops. The males plumage is bright orange and the males have a prominent half-moon crest. The females are brownish in colour, and are generally much duller coloured than the males. It is one of two species of the genus Rupicola, the other being the Andean cock-of-the-rock. The Guianan cock-of-the-rock lives across the forested region of northeastern South America. Its diet consists mostly of fruit, but sometimes includes small snakes and lizards.