It was formerly considered as subspecies of the varied tit but after the publication of a phylogenetic study in 2014 it was promoted to species status .
The Iriomote tit was first described by the Japanese ornithologist Nagamichi Kuroda in 1923 and given the trinomial name Sittiparus varius olivaceus .
tit was formerly considered as subspecies of the varied tit but after the publication of a phylogenetic study in 2014 tit was promoted to species status .
The Iriomote tit was first described by the Japanese ornithologist Nagamichi Kuroda in 1923 and given the trinomial name Sittiparus varius olivaceus .