The 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.
Taxonomy The dark newtonia was formally described in 1891 by the German ornithologist Anton Reichenow under the current binomial name Newtonia amphichroa based on a specimen collected in southern Madagascar. The specific epithet combines the Ancient Greek αμφι/amphi meaning "on all sides" with χροα/khroa, χροας/khroas meaning "appearance" or "colour".
Two subspecies are recognised:
N. a. amphichroa Reichenow, 1891 – montane north Madagascar N. a. lavarambo Goodman, Younger, Raherilalao & Reddy, 2018 – montane south Madagascar
The subspecies N. a. lavarambo was described in 2018 as a full species, See supplemental data. but is currently treated as a subspecies of the dark newtonia by taxonomic authorities.
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