Pin-tailed Green Pigeon

The pin-tailed green pigeon or pin-tailed pigeon (Treron apicauda) is a species of bird in the family Columbidae native to Southeast Asia. == Description == The pin-tailed green pigeon is a medium sized dove, with an average weight of 185-255 grams. Males are 32-36 cm and females are typically 28 cm. It is yellow-green overall, with darker green wing-coverts and scapulars and black outer secondaries and primaries. The males have a golden breast with pinkish hues. The central tail feathers are a bluish-gray and the undertail-coverts a chestnut color. The orbital ring is blue, as is the bill, with a lighter green or yellow tip. The legs and feet are a bright reddish-pink. The females are a duller yellow, with much shorter central tail feathers and dull undertail-coverts. The song is described as a soft whistling ku-koo, which is usually paired. The pin-tailed green pigeon also lets out a high pitched doo! call. While in flight, feathers produce a whirring sound. == Taxonomy and systematics == The pin-tailed green pigeon was first described by Edward Blyth in 1846. The species' generic name comes from the Greek trērōn (timid, shy dove), while the specific epithet apicauda is derived from a combination…