The Comoros olive pigeon (''Columba pollenii''), also known as the Comoro olive pigeon, is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

in the family

Columbidae Columbidae () is a bird family consisting of doves and pigeons. It is the only family in the order Columbiformes. These are stout-bodied birds with short necks and short slender bills that in some species feature fleshy ceres. They primarily ...

. It is found in Comoros and

Mayotte Mayotte (; french: Mayotte, ; Shimaore: ''Maore'', ; Kibushi: ''Maori'', ), officially the Department of Mayotte (french: Département de Mayotte), is an overseas department and region and single territorial collectivity of France. It is loca ...

. It is becoming rare due to

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

Description

Easily distinguishable from other pigeon species, the Comoros olive pigeon is the largest bird in the

Comoro Islands The Comoro Islands or Comoros (Shikomori ''Komori''; ar, جزر القمر , ''Juzur al-qamar''; french: Les Comores) form an archipelago of volcanic islands situated off the southeastern coast of Africa, to the east of Mozambique and northwes ...

. It has a dark plumage. Adolescent pigeons have a bright yellow bill, whereas older ones have a dull green or brown bill. The Comoros olive pigeon makes a very deep coo of "guk-ohoooo hoo hooo".

Habitat

Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

is subtropical or tropical moist

montane forest Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial ...

s and it can be found in Comoros (especially

Mount Karthala Mount Karthala or Karthola ( ar, القرطالة ''Al Qirṭālah'') is an active volcano and the highest point of the Comoros at above sea level. It is the southernmost and larger of the two shield volcanoes forming Grande Comore island, the ...

) and

, with a higher-density population being observed in the latter.

Status

Although described as locally common in parts of Grand Comoro, the Comoros olive pigeon is in general a fairly scarce bird with a small total population. The chief threat it faces is the clearance of the forest habitat in which it lives, but it is also hunted on each of the four islands on which it is found. The population trend is unknown, but the total population is probably fewer than 10,000 individuals, and the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of nat ...

has assessed its conservation status as "

near threatened A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify f ...

References

{{Taxonbar, from=Q257710 Comoros olive pigeon Endemic birds of the Comoros Birds of Mayotte Comoros olive pigeon Taxonomy articles created by Polbot