Through backcrossing some hybrids become almost indistinguishable from pure green peafowl. The park's many birds include junglefowl, green peafowl and pheasant. Green peafowl are generally more silent than Indian peafowl. The latter closely resembles a green peafowl, as it has a tufted crest. The green peafowl is capable of sustained flight and is often observed on wing. Bird life includes green peafowl, osprey, parakeets, kingfishers, orioles and barbets. Most notable are the green peafowl, the mountain peacock pheasant, and the Bali starling. Notable avifauna include the grey-faced tit-babbler, green peafowl, red-collared woodpecker, and Siamese fireback.