Green pigeon

Treron is a genus of bird in the pigeon family Columbidae.^[1] It contains 30 species distributed across Asia and Africa, they all are remarkable for their green plumage that lead to their common name green pigeons, which comes from a carotenoid pigment found in their diets of fruits in their wild habitats;^[2] other than that, they also eat various, nuts, and/or seeds.

Green pigeons
male Thick-billed green pigeon
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Columbiformes
Family:	Columbidae
Subfamily:	Treroninae
Genus:	Treron Vieillot, 1816
Type species
Columba curvirostra Gmelin, 1789
Species
(Total 30)See text

Members of this genus can be further grouped into species with long tails, medium-length tails, and wedge-shaped tails. Most species of green pigeon display sexual dimorphism, where males and females can be readily distinguished by differences in their plumage.^{[citation needed]} They dwell in trees and occupy a variety of wooded habitats.^{[citation needed]}

Taxonomy

The genus Treron was introduced in 1816 by the French ornithologist Louis Pierre Vieillot with the thick-billed green pigeon (Treron curvirostra) as the type species.^[3][4] The genus name is from the Ancient Greek τρηρων trērōn simply meaning "pigeon" or "dove".^[5]

The genus contains 30 species:^[1]

• Cinnamon-headed green pigeon (Treron fulvicollis)
• Little green pigeon (Treron olax)
• Pink-necked green pigeon (Treron vernans)
• Orange-breasted green pigeon (Treron bicinctus)
• Pompadour green pigeon complex:
  • Sri Lanka green pigeon (Treron pompadora)
  • Grey-fronted green pigeon (Treron affinis)
  • Ashy-headed green pigeon (Treron phayrei)
  • Andaman green pigeon (Treron chloropterus)
  • Philippine green pigeon (Treron axillaris)
  • Buru green pigeon (Treron aromaticus)
• Thick-billed green pigeon (Treron curvirostra)
• Grey-cheeked green pigeon (Treron griseicauda)
• Sumba green pigeon (Treron teysmannii)
• Flores green pigeon (Treron floris)
• Timor green pigeon (Treron psittaceus)
• Large green pigeon (Treron capellei)
• Yellow-footed green pigeon (Treron phoenicopterus)
• Bruce's green pigeon (Treron waalia)
• Madagascar green pigeon (Treron australis)
• Comoros green pigeon (Treron griveaudi)
• African green pigeon (Treron calvus)
• Pemba green pigeon (Treron pembaensis)
• São Tomé green pigeon (Treron sanctithomae)
• Pin-tailed green pigeon (Treron apicauda)
• Sumatran green pigeon (Treron oxyurus)
• Yellow-vented green pigeon (Treron seimundi)
• Wedge-tailed green pigeon (Treron sphenurus)
• White-bellied green pigeon (Treron sieboldii)
• Ryukyu green pigeon (Treron permagnus)^[6]
• Taiwan green pigeon (Treron formosae)