Kaieteur News – The pink-necked, green pigeon (Treron vernans), is a species of the pigeon and dove family, Columbidae. It is a common species of Southeast Asia, found from Myanmar and Vietnam south through to the major islands of Indonesia and the Philippines (where it is called “punay.” The species lives in a wide range of forested and human-modified habitats and is particularly found in open habitats. Its diet is dominated by fruit, in particular figs. Pairs lay two eggs in a flimsy twig nest in a tree, shrub, or hedge, and work together to incubate the eggs and raise the chicks. The species is thought to be an important disperser of fruit seeds. The species has adapted well to human changes to the environment, and can be found in crowded cities as long as fruiting trees are present. It is not considered to be at risk of extinction.
This bird species is a medium-sized pigeon, measuring 25 to 30 cm (9.8–11.8 in) in length and weighing around 105–160 g (3.7–5.6 oz). The species has sexually dimorphic plumage. The male has a grey head, pinkish neck and upper breast, and the rest of the breast is orange. The back is olive green and the wings are green with black primaries and yellow edging on the tertiaries, which create a yellow bar across the wing in flight. The belly is yellowish with grey flanks, and the tail is grey with a black band at the end, and a chestnut upper tail coverts. The female is smaller overall, has a yellowish belly, throat and face, and greenish crown and back of the neck, although is otherwise similar to the male. The legs are pink or reddish, and the bill is white, pale blue green or grey. Juvenile birds look similar to females but are greyer above. https://en.wikipedia.org/wiki/Pink-necked_green_pigeon – cite_note-hbw-7
Pigeons in the genus Treron are unusual in the family for not having cooing calls, instead making whistling and quacking noises, but some cooing notes have been recorded for the pink-necked, green pigeon, as the male makes a tri-syballic whistling call ending in a coo. It is also reported to make a rasping krrak krrak… call, but the species is generally held to not be particularly vocal, usually only calling in communal roosts and when it finds food.
The pink-necked, green pigeon is primarily a frugivore, taking a range of fruits, particularly figs (Ficus). Fruit of other trees are taken as well, including Glochidion, Breynia, Vitex, Macaranga, Muntingia, Melastoma, Oncosperma and Bridelia. Shoots, buds and seeds are also taken, but much less commonly so, often by quite a substantial margin. In one study of the frugivores of Sulawesi, 55 observations were made of this species feeding and everyone was of it eating fruit, mostly figs. The species feeds in the mid-canopy of the forest and rarely feeds in the understory or on the ground. It is described as being agile when clinging on fine branches to reach fruits at the end. Like other members of the genus Treron, the gizzard is muscular and contains grit, which is used to grind and digest seeds inside fruit. Studies of closely related species have found that not every individual has grit, and it is likely the same is true of this species. It is social, feeding in small groups or, where an abundant source of food is found, quite large flocks of up to 70 birds. The species also roosts communally, and can form roosting flocks of hundreds of birds.
There is no defined breeding season and it has been recorded as breeding all year across its range, except in February. The task of building the nest is divided by sex, with the male being responsible for collecting the nesting material and the female building it. The nest itself is a simple and flimsy platform of twigs and finer material. Two eggs are laid, which are white and measure 26.8 mm–28.9 mm × 20.3 mm–21.8 mm (1.06 in–1.14 in × 0.80 in–0.86 in). The nest is placed in a tree, shrub or hedge, and can be quite close to the ground, ranging from one to 10 m (3.3–32.8 ft.). The breeding biology of this species is virtually unknown, with only a single breeding report from Singapore. In that report, the pair shared incubation duties, with the male incubating during the day and the female at night, with the incubation time being 17 days. On hatching the chicks are brooded continuously for the first few days of life, as with incubation the male broods during the day and the female at night. Chicks are near-naked and have brown skin with a few white pin feathers on hatching. Chicks leave the nest 10 days after hatching, but remain in the nesting area for a few days after hatching, and continue to be fed by their parents. (Source: Wikipedia)
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