Kızılcahamam Forests Key Biodiversity Area includes Soğuksu National Park and hot spring facilities. Kızılcahamam Forests are an important region for birds and butterflies. Many forest birds breed here. Important species include black vulture, cinereous vulture, bearded vulture, egyptian vulture and black stork. There are many stork nests at the entrance of Kızılcahamam district. The priority butterfly species in the area is the Anatolian Chalk-hill Blue, which is endemic to Türkiye. False apollo, Anatolian skipper and bavius are among the regionally endangered butterfly species.