Nuthatch-Vanga Hypositta corallirostris
Version: 2.0 — Published July 16, 2020
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Early authors classified Hypositta as a member of Sittidae (nuthatches) (e.g., 6, 7), or in a separate family, Hyposittidae, believed to be related to nuthatches or to Certhiidae (treecreepers) (8). Based primarily on skeletal characters, especially features of the skull, Dorst (9) suggested instead that Hypositta was a vanga, and this classification soon was widely adopted. See also Related Species.
Described as Hypherpes corallirostris (A. Newton 1863) (13: page 85); type locality Chasmanna, Madagascar (14: page 342) [exact coordinates not known, but described as "not far upstream from mouth of Hivondrona River, now Ivondro, just to south of Tamatave"; 15].
Peters (17) described a second species of Hypositta, Hypositta perdita, based on specimens of two juvenile birds from Eminiminy, southeastern Madagascar. Recent genetic analysis of DNA sequence data from the syntype of perdita that both are not Hypositta, but instead are juveniles of White-throated Oxylabes (Oxylabes madagascariensis) (18).