 Fauna commonly observed in the gorge includes the Australian brushturkey, orange-footed scrubfowl, the brilliant metallic-blue Ulysses butterfly and the Boyd's forest dragon.More than 430 species of birds have been spotted in the gorge, along with 18 species of reptiles, 12 species of amphibians and several species of fishes.Seasonally, the buff-breasted paradise kingfisher visits, nests and breeds.