Garrulax caerulatus
Habitat
Montane moist forest in subtropical or tropical areas
Range
Bhutan, China, India, Myanmar and Nepal; introduced to the Hawaiian Islands
The grey-sided laughingthrush, Pterorhinus caerulatus, was first described by Hodgson in 1836 and belongs to the family Leiothrichidae. It is found in montane moist forest in Bhutan, China, India, Myanmar and Nepal, and was introduced to the Hawaiian Islands. A 2018 molecular study moved it from Garrulax to Pterorhinus (Wikipedia, general species account).
The source gives no size, appearance, diet, behaviour or breeding detail (Wikipedia, general species account).