Heterophasia capistrata (Vigors, 1831) - Rufous Sibia Read more about Heterophasia capistrata This is also known as the Black-capped Sibia.
Heterophasia pulchella (Godwin-Austen, 1874) - Beautiful Sibia Read more about Heterophasia pulchella Subspecies nigroauritus, which ranges north of the Brahmaputra River, has black ear-coverts. In the nominate subspecies, which occurs south of the Brahmaputra River, black is restricted around the eye, to lores (Grimmett et al. 2011).
Trochalopteron erythrocephalum (Vigors, 1832) - Chestnut-crowned Laughingthrush Read more about Trochalopteron erythrocephalum This is known as the Red-headed Laughingthrush or Assam Laughingthrush in various polytypic forms.
Trochalopteron elliotii J. Verreaux, 1871 - Elliot's Laughingthrush Read more about Trochalopteron elliotii