Draco mindanensis of this species' patagium, or the extensible fold of skin used in flight, is red in males and dusky in females. Also, "D. mindanensis" can be distinguished from other species of "Draco" in the Philippines by its larger size (maximum length has been recorded at 105 mm), mode of five ribs supporting its patagium, upward directed nostril, lack of Y-shaped series of scales on forehead, presence of lacrimal bone and dorsal body coloration of pale brown with a slight greenish case in males. In males of this species, the dewlap, or the inflatable loose skin under the throat, is large,
Sri Lanka hanging parrot have a faint blue throat. They have orange beaks and brown irises. Sri Lanka hanging parrot is less gregarious than some of its relatives, and is usually alone or in small groups outside the breeding season. Its flight is swift and direct, and the call is a sharp whistled "twiwittwit..twitwitwit". It undergoes local movements, driven mainly by the availability of the fruit, seeds, buds and blossoms that make up its diet. Sri Lanka hanging parrot is a bird of open forest. It is strictly arboreal, never descending to the ground. It nests in holes in trees, laying 2–3 eggs. In