The spectacularly bizarre Andean cock-of-the-rock (Rupicola peruvianus) is perhaps the most popularly recognized bird of the cloud forests of the Andes Mountains. The national bird of Peru, this species is readily identified by its fan-shaped crest and brilliant orange plumage, both of which are evident to a lesser degree even in the duller female. Males spend much of their time displaying at leks, where they jump up and down on particular branches and utter low, guttural croaks. The name is derived from their preference for rocks and ledges as substrates for their mud cup nests. Often difficult to detect away from leks, birds can sometimes be found feeding at fruiting trees. Distributed from Venezuela to Bolivia in the Andes, the Andean cock-of-the-rock does not co-occur with the similar Guianan cock-of-the-rock of the Guianan Shield.