High diversity of birds in the Margallas is due to the combination many ecological components that together make it a unique location. No other Pakistani location could come even near in the number of species seen. As a result of a series of faunal survey of the park, 54 species of butterflies, 37 species of fish, 9 species of amphibians, 20 species of reptiles, 380 species of birds, 21 species of small mammals and 15 species of large mammals have so far been recorded.