Trochalopteron subunicolor Blyth, 1843 - Scaly Laughingthrush
This is also known as the Plain-coloured Laughingthrush.
Garrulax pectoralis (Gould, 1836) - Greater Necklaced Laughingthrush
This is also known as the Black-gorgeted Laughingthrush.
Garrulax nuchalis Godwin-Austen, 1876 - Chestnut-backed Laughingthrush
This species is listed as Near Threatened in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/)