Grey-green fruit dove

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Grey-green fruit dove
Grey-green fruit dove.jpg

Least Concern (IUCN 3.1)[1]
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Columbiformes
Family: Columbidae
Genus: Ptilinopus
Species:
P. purpuratus
Binomial name
Ptilinopus purpuratus
(Gmelin, 1789)

The grey-green fruit dove (Ptilinopus purpuratus) is a species of bird in the family Columbidae. It is endemic to the Society Islands in French Polynesia. Its natural habitat is subtropical or tropical moist lowland forests.

Distribution and Population[]

The grey-green fruit dove is endemic to the French Polynesian islands of Tahiti and Mo'orea. There is an estimated population of 2,500 to 10,000 mature individual birds on the two islands, of which 5,000 - 6,000 live on Mo'orea, at an estimated density of 2-3 birds per hectare.[2]

There are two subspecies:[3]

  • P. p. frater Ripley & Birckhead, 1942 – Moorea Island. (e Society Is.)
  • P. p. purpuratus (Gmelin, JF, 1789) – Tahiti (e Society Is.)

The Raiatea fruit-dove (P. chrysogaster) of Raiatea was formerly considered conspecific, but was split as a distinct species by the IOC in 2021.[4]

Appearance[]

It is about 23 centimeters long and weighs about 95 grams. It is small and plump and has a short tail. The body is mostly green and the top of the head is light purple with gray. The neck and chest are gray and the belly is dull olive. There is a light gray band around the tail. The beak is yellowish or greenish yellow. The feet are purple. Young birds are darker in color than adults, and the top of their heads is not light purple. The rim of the big wing cover and the third wing feather is yellow.[5]

lifestyle[]

Live on a tree. It is hard to notice because it stays still for a long time in the canopy layer. Eat fruit.[6]

Place of residence[]

It is a native bird that lives in forests.[7]

Eating[]

They eat figs and a variety of native fruits ranging from 2 to 17mm in diameter. Small invertebrates in leaves and branches also eat.[8]

Reproduction[]

It lays one white egg at a time.

Threats[]

In 1907, the grey-green fruit dove was reportedly very abundant on the two islands. However the population has declined since then. There is an ongoing slow population decline due to habitat destruction, the introduction of non-native plants, predation by invasive species such as the swamp harrier and feral cats, and competition by invasive red-vented bulbul and common myna.[2]

References[]

  1. ^ BirdLife International (2016). "Ptilinopus purpuratus". IUCN Red List of Threatened Species. 2016: e.T60759996A95162340. doi:10.2305/IUCN.UK.2016-3.RLTS.T60759996A95162340.en. Retrieved 11 November 2021.
  2. ^ a b "BirdLife Factsheet - Grey-green Fruit-dove (Ptilinopus purpuratus)". BirdLife International.
  3. ^ Gill, Frank; Donsker, David, eds. (2019). "Pigeons". World Bird List Version 9.1. International Ornithologists' Union. Retrieved 30 April 2019.
  4. ^ "Species Updates – IOC World Bird List". Retrieved 2021-06-13.
  5. ^ "회녹색과일비둘기". 두산백과 (in Korean). Retrieved 2021-03-28.
  6. ^ "회녹색과일비둘기". 두산백과 (in Korean). Retrieved 2021-03-28.
  7. ^ "회녹색과일비둘기". 두산백과 (in Korean). Retrieved 2021-03-28.
  8. ^ "회녹색과일비둘기". 두산백과 (in Korean). Retrieved 2021-03-28.


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