The Sundaic island thrush (Turdus javanicus), also known as the Sunda island thrush,[1] is a species of passerine in the family Turdidae. It is found in Indonesia and Malaysia. Prior to 2024, the Sundaic island thrush was considered to be eight separate subspecies of the island thrush. It has the largest distribution in the island thrush complex, ranging from northern Sumatra south to Java, with a disjunct population in northern Borneo.
The Sundaic island thrush's nominate subspecies, T. j. javanicus was first described in 1821 by American naturalist Thomas Horsfield as Turdus javanicus. It was later considered to be a subspecies of Island thrush. In 2024, following a phylogenic study of Island thrush subspecies in 2023, the Island thrush was split into 17 different species by the IOC and Clements checklist.[2] [3] [4] It currently has 8 recognized subspecies: