The park houses more than 50 mammal species and 25 reptile species. Antelopes like the Nilgai and the Ghoral, many varieties of deer including Hog deer, Sambhar, Chital etc, the ancestors to us humans like Rhesus and the good-old Langur are found in the area. The tiger and leopard are part of the species of cats found here. A special resident is the Dhole, the wild dog.
Many other species of animals like jackals, fox, wild boar, sloth bear, black bear and a vast range of reptiles like the cobra, python are also found apart from two species of crocodile. The Gharial can be seen relaxing in the pools of the Ramganga.
A staggeringly high number (580 to be precise) of species of birds are found here including water fowl, 17 types of woodpecker, kites, peafowl, the rare chir pheasant, the red jungle fowl, minivets, cuckoos, drongos and barbets. The reservoir on the river formed with the building of kalaghar dam attracts large number of migratory and other species of water birds. This makes it a Bird watcher’s paradise. It is considered a ‘Bird Park’ in the true sense.