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Zosterops

Zosterops is a genus of passerine birds containing the typical white-eyes in the white-eye family Zosteropidae. The genus has the largest number of species in the white-eye family. They occur in the Afrotropical, Indomalayan, and Australasian realms. Typical white-eyes have a length of between 8 and 15 cm. Their most characteristic feature is a conspicuous white feather ring around the eye, though some species lack it. The species in this group vary in the structural adaptations of the tongue. The Zosterops [griseotinctus] group is an example of a "great speciator" inhabiting a vast area and showing a remarkable morphological differentiation on islands, some of which may be as close as 2 km (1.2 mi) apart.

Systematics
The genus Zosterops was introduced by the naturalists Nicholas Vigors and Thomas Horsfield in 1827. The name combines the Ancient Greek words zōstēros "belt" or "girdle" and ōpos "eye". The type species was designated as the Malagasy white-eye by René Lesson in 1828. The results of a series of molecular phylogenetic studies of the Zosteropidae published between 2014 and 2018 prompted a major revision of species limits, in which 10 new genera were introduced. In the reorganisation, the English names of three of the existing genera were replaced. Additionally, a study on Sri Lanka white-eyes (Zosterops ceylonensis) and Indian white-eyes (Zosterops palpebrosus) suggests that the Sri Lanka white-eye is the root species and the origin of all Zosterops species. This raises questions upon the former theory of Southeast Asian origin. Species '' '' There are over 100 species in the genus. This includes three species (denoted by a dagger † in the list below) that have become extinct since the 16th century.'' • Tagula white-eye (Zosterops meeki) • Morotai white-eye (Zosterops dehaani) – split from Z. atriceps • Cream-throated white-eye (Zosterops atriceps) • Buru white-eye (Zosterops buruensis) • Seram white-eye (Zosterops stalkeri) • Javan white-eye (Zosterops flavus) • Ashy-bellied white-eye (Zosterops citrinella) • Canary white-eye (Zosterops luteus) • Silvereye (Zosterops lateralis) • Hume's white-eye (Zosterops auriventer) – split from Z. poliogastrus • Sangkar white-eye (Zosterops melanurus) – split from Z. palpebrosus • Everett's white-eye (Zosterops everetti) • Vella Lavella white-eye (Zosterops vellalavella) • Santa Cruz white-eye (Zosterops sanctaecrucis) • Capped white-eye (Zosterops fuscicapilla) • Oya Tabu white-eye (Zosterops crookshanki) – split from ''Z. fuscicapilla • Louisiade white-eye (Zosterops griseotinctus) • Kolombangara white-eye (Zosterops murphyi) • Large Lifou white-eye (Zosterops inornatus) • † White-chested white-eye (Zosterops albogularis) • Samoan white-eye (Zosterops samoensis) • † Robust white-eye (Zosterops strenuus) • Slender-billed white-eye (Zosterops tenuirostris) • Small Lifou white-eye (Zosterops minutus) • Green-backed white-eye (Zosterops xanthochroa) • Rennell white-eye (Zosterops rennellianus) ==References==
Source: Wikipedia ↗
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