The park's main draw for fauna is its rich birdlife, with over 60 species inhabiting the Sierra. Nesting birds of prey include golden eagles, Bonelli's eagles, peregrine falcons, griffon vultures and kestrels. On the higher slopes are Alpine accentors, black redstarts, northern wheateaters, rock thrushes, rock buntings, red-billed choughs and skylarks. In the woodland areas are hoopoes, short-toed treecreepers, green woodpeckers, coal tits, great tits, goldfinches and golden orioles.