The Malagasy Turtle Dove (Nesoenas picturata), also known as the Malagasy Turtle-dove, is a bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 in the pigeon and dove family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

, Columbidae. It is found in British Indian Ocean Territory

British Indian Ocean Territory

The British Indian Ocean Territory or Chagos Islands is an overseas territory of the United Kingdom situated in the Indian Ocean, halfway between Africa and Indonesia...

, Comoros

Comoros

The Comoros , officially the Union of the Comoros is an archipelago island nation in the Indian Ocean, located off the eastern coast of Africa, on the northern end of the Mozambique Channel, between northeastern Mozambique and northwestern Madagascar...

, Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

, Mauritius

Mauritius

Mauritius , officially the Republic of Mauritius is an island nation off the southeast coast of the African continent in the southwest Indian Ocean, about east of Madagascar...

, Mayotte

Mayotte

Mayotte is an overseas department and region of France consisting of a main island, Grande-Terre , a smaller island, Petite-Terre , and several islets around these two. The archipelago is located in the northern Mozambique Channel in the Indian Ocean, namely between northwestern Madagascar and...

, Réunion

Réunion

Réunion is a French island with a population of about 800,000 located in the Indian Ocean, east of Madagascar, about south west of Mauritius, the nearest island.Administratively, Réunion is one of the overseas departments of France...

, and Seychelles

Seychelles

Seychelles , officially the Republic of Seychelles , is an island country spanning an archipelago of 115 islands in the Indian Ocean, some east of mainland Africa, northeast of the island of Madagascar....

. It has several subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

. The Rodrigues Turtle-dove, an extinct but fairly enigmatic taxon

Taxon

|thumb|270px|[[African elephants]] form a widely-accepted taxon, the [[genus]] LoxodontaA taxon is a group of organisms, which a taxonomist adjudges to be a unit. Usually a taxon is given a name and a rank, although neither is a requirement...

 from Rodrigues

Rodrigues

Rodrigues is a common surname in the Portuguese language. It was originally a Patronymic, meaning Son of Rodrigo or Son of Rui. The "es" signifies "son of". The name Rodrigo is the Portuguese form of Roderick, meaning "famous power" or "famous ruler", from the Germanic elements "hrod" and "ric" ,...

 on the Mascarenes may have been another subspecies of N. picturata or a distinct species N. rodericana.
The Pink Pigeon

Pink Pigeon

The Pink Pigeon, Columba mayeri, is a species of Columbidae endemic to Mauritius, and is now very rare. It was on the brink of extinction in 1991 when only 10 individuals remained, but its numbers have increased due to the efforts of the Durrell Wildlife Conservation Trust since 1977...

 (N. mayeri) is its closest living relative, and together they form a lineage apart from both the typical pigeons (Columba) and the typical turtle-doves (Streptopelia

Streptopelia

Streptopelia is a genus of birds in the dove family. These are mainly slim, small to medium-sized species. The upperparts tend to be pale brown, and the underparts are often a shade of pink. Many have a characteristic black-and-white patch on the neck, and monotonous cooing songs.The heartland of...

), slightly closer to the latter if anything. Consequently, either these two are both placed in Streptopelia, or – as is probably the most accurate solution at present – separated as Nesoenas

Nesoenas

Nesoenas is a bird genus in the pigeon and dove family, Columbidae. It is often included with the typical turtle-doves in Streptopelia or the typical pigeons . By those wo accepted it, it was usually treated as monotypic, containing only the Pink Pigeon Nesoenas is a bird genus in the pigeon and...

. The present species was in former times sometimes placed in a monotypic

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Homopelia. While this is not outright wrong, if the Rodrigues population is also placed in Homopelia and Nesoenas is considered distinct too, it would probably be considered oversplitting

Lumpers and splitters

Lumping and splitting refers to a well-known problem in any discipline which has to place individual examples into rigorously defined categories. The lumper/splitter problem occurs when there is the need to create classifications and assign examples to them, for example schools of literature,...

 by modern authors.

Though some island populations are rare – some precariously so – as a whole N. picturata is considered a Species of Least Concern

Least Concern

Least Concern is an IUCN category assigned to extant taxon or lower taxa which have been evaluated but do not qualify for any other category. As such they do not qualify as threatened, Near Threatened, or Conservation Dependent...

 by the IUCN.