The fauna you get to see in this stems from the variety and state of preservation of the vegetation, and, to a great extent, from the unique landforms.

Cliff-nesting birds are prominent in this area; there are large breeding populations of bearded vultures, Egyptian vultures, griffon vultures, golden eagles, Bonelli’s Eagles, peregrine falcons, eagle owls, choughs, and more.

The black woodpecker, white snake-eagle, booted eagle, European honey-buzzard, European nightjar are among some of the first birds to be highlighted.

As for mammals, wild boar, roe deer, and small predators such as martens, genets, and badgers stand out. There are deer, fallow deer, and mouflon; introduced big game species that are gradually settling into the territory, as well as domestic goats.

The most notable reptiles and amphibians are the Aesculapian snake, the European asp, and the Pyrenean mountain newt, which is an endemic species.

The brook trout and the Catalonian barbel make up part of the the fish fauna.

Last but not least, invertebrates such as the crayfish and numerous species of diurnal butterflies can be seen.