Thursday, January 25

Ashy-headed green pigeon

   ›      ›   Ashy-headed green pigeon - Treron phayrei

The ashy-headed green pigeon (Treron phayrei) belongs to the family of doves and pigeons, the Columbidae.

The ashy-headed green pigeon species is distributed in India, Nepal, Bhutan, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam and China. These pigeon species have been listed as 'Near Threatened' by the IUCN. These pigeons are monotypic species.
Overview & Quick Facts Description & Identification
Pictures of Ashy-headed Green Pigeon Distribution & Range
Ecosystem & Habitat Diet & Feeding Behavior
Breeding Habits Migration & Movement Patterns
Conservation & Survival IUCN Status
Taxonomy & Classification Bird World

Appearance, physical description and identification

The ashy-headed green pigeon (Treron phayrei) is a medium-sized pigeon, measuring 25 to 30 cm in length. These species are sexually dimorphic.

The overall plumage of the ashy-headed pigeon is greenish. The male has chestnut back and wings. In the female, the back and wings are greenish. The wings have prominent yellow edging on flight-feathers. There are yellow bars across coverts.

Both the male and the female have greenish gray head with grayish crown. There is a orange-yellow breast patch. The males have rusty undertail coverts.

The bill is short and heavy-based and is pale gray in color. The irises are dark brown. There is a white eye-ring. The legs are reddish. Their call is a series of low-pitched fluty whistling "keak..kee..oiee" sound.
Indian birds - Picture of Ashy-headed green pigeon - Treron phayrei
1.Birds of India - Image of Ashy-headed green pigeon - Treron phayrei by SaniyaChaplod

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Images
Birds of India -
 Photo of Ashy-headed green pigeon - Treron phayrei
2.Indian birds - Picture of Ashy-headed green pigeon - Treron phayrei by Lip Kee

Indian birds - Image of Ashy-headed green pigeon - Treron phayrei
3.Birds of India - Photo of Ashy-headed green pigeon - Treron phayrei by Baker, E. C. Stuart/ http://biodiversitylibrary.org/page/14775233

Origin, geographical range and distribution

The ashy-headed green pigeon species are distributed in India, Nepal, Bhutan, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam and China.

In India, these ashy-headed green pigeons are distributed in the states of Bihar, Jharkhand, West Bengal, Sikkim, Assam, Meghalaya, Arunachal Pradesh, Nagaland, Manipur, Tripura and Mizoram.

Ecosystem and habitat

These ashy-headed green pigeon species have high forest dependence. They normally occur in altitudes from 0 to 1000 meters.

The natural ecosystems and habitats of these pigeon species include, tropical and subtropical moist lowland forests, foothill forests, hill forests, moist-deciduous forests and semi-evergreen and evergreen forest at low elevations.

Diet and feeding behavior

The diet of this ashy-headed green pigeon consists mainly of fruits. Wild fruits, berries, figs and seeds are their primary food. The ashy-headed green pigeons mostly forage for fruits and berries on the branches of trees.

Reproduction and breeding habits

The breeding season of these ashy-headed green pigeon species is from March to July in most of their ranges in India and southeast Asia. The nesting sites are usually located on low branches of trees and thickets. The nest is a flimsy platform of sticks and twigs.

These ashy-headed green pigeon species are monogamous and territorial. Both parents take part in building of nest, incubation of eggs and care of young. The clutch usually contains two white eggs. The chicks hatch out in 12 to 14 days and are altricial.

The ashy-headed pigeon nestlings are initially fed with regurgitated crop-milk, a secretion from the lining of the crop of parent birds. Later the nestlings are fed with regurgitated fruits, seeds and plant matter.

Migration and movement patterns

These ashy-headed green pigeon species are non-migrant, resident birds. They disperse locally after breeding. The populations in higher altitudes descend to the lower levels in winter.

Post breeding, the juvenile pigeons may disperse and establish in new locations within the range. Within their range they may make local movements for feeding and breeding.

Ashy-headed green pigeon - Quick Facts

  • Scientific name: Treron phayrei
  • Species author: (Blyth, 1862)
  • Synonyms/Protonym: Osmotreron Phayrei Blyth, 1862
  • Family: Columbidae › Columbiformes › Aves › Chordata › Animalia
  • Vernacular names: English: Ashy-headed green pigeon, Chinese: *灰头绿鸠, French: Colombar de Phayre, German: Aschkopf-Pompadourtaube, Spanish: Vinago del Himalaya, Russian: Пепельноголовый зеленый голубь, Japanese: ハイガシラアオバト
  • Other names: Ashy-headed Green Pigeon, Ashy-headed Green-pigeon
  • Distribution: India, Nepal, Bhutan, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam, China
  • Diet and feeding habits: fruits, berries, figs
  • IUCN status listing: Near Threatened (NT)

Conservation and survival

The global population size of the ashy-headed green pigeon (Treron phayrei) has not been quantified. The overall population trend of the species is considered to be decreasing.

In most of its range, this pigeon species is reported to be rare and locally common. The generation length is 4.2 years. Its distribution size is about 3,100,000 sq.km.

Habitat alteration and destruction, deforestation, hunting and capture for pet-trade are the main threats that are endangering the survival of these pigeon species.

IUCN and CITES status

The ashy-headed green pigeon (Treron phayrei) is approaching the thresholds for being Vulnerable under the range size criterion, under the population trend criterion and under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the pigeon species and has listed it as "Near Threatened".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for ashy-headed green pigeon (Treron phayrei).
Taxonomy and scientific classification of Treron phayrei
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Columbiformes
Family:Columbidae
Subfamily:-
Genus:Treron
Species:T. phayrei
Binomial name:Treron phayrei
IUCN status listing:
Near Threatened
The ashy-headed green pigeon (Treron phayrei) is closely related to Sri Lanka green pigeon (Treron pompadora) and grey-fronted green pigeon (Treron affinis).
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1.Image source: https://en.wikipedia.org/wiki/File:Birds_Ashy_Headed_Green_Pigeon.jpg (cropped)
Image author: SaniyaChaplod | License: CC BY-SA 4.0
2.Image source: https://www.flickr.com/photos/lipkee/21449917918/ (cropped)
Image author: Lip Kee | License: CC BY-SA 2.0 as on 1/25/18
3.Image source: https://www.flickr.com/photos/biodivlibrary/6197374075 (cropped)
Image author: Baker, E. C. Stuart/ http://biodiversitylibrary.org/page/14775233 | License: CC BY 2.0 as on 1/25/18
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