The northern dark newtonia (''Newtonia amphichroa'') 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 lightweigh ...

in the family Vangidae. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to northeastern

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

. 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 lowland

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

s. It was formerly grouped with the recently described

southern dark newtonia The southern dark newtonia (''Newtonia lavarambo'') is a species of bird in the family Vangidae. It is endemic to the montane forests of southeastern Madagascar, from Andringitra south to Tolagnaro. It was formerly considered a population of th ...

(''N. lavarambo'') as the dark newtonia. However, a 2018 study described ''N. lavarambo'' as a distinct species based on genetic and physical characteristics, and thus both were split from each other. However, some authorities such as ''

The Clements Checklist of Birds of the World ''The Clements Checklist of Birds of the World'' is a book by Jim Clements which presents a list of the bird species of the world. The most recent printed version is the sixth edition (2007), but has been updated yearly, the last version in 2022 ...

'' have tentatively classified ''N. lavarambo'' as a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of ''N. amphicroa'' rather than a distinct species.

References

dark newtonia The northern dark newtonia (''Newtonia amphichroa'') is a species of bird in the family Vangidae. It is endemic to northeastern Madagascar. Its natural habitat is subtropical or tropical moist lowland forests. It was formerly grouped with the r ...

Taxonomy articles created by Polbot {{Vangidae-stub