Palani Laughingthrush

This species has a dark grey-brown crown and narrow dark grey eyestripe with a broad white supercilium above it. This supercilium extends behind the eye in this species but stops above the eye in the closely related meridionalis. The throat is distinctly grey unlike in the black-chinned laughingthrushes found north of the Palghat Gap and continues into the upper breast. The grey of the upper breast is faintly streaked in brown. The lower breast and belly is rusty brown and the upper parts are olive brown. The bill is browner and not as dark grey as in the black-chinned. The Ashambu laughingthrush (M. meridionalis) which was earlier treated as a subspecies has greyer upper plumage, paler crown and the centre of the belly is white with chestnut brown on the flanks and vent. The iris is dark red or red-brown. The sexes are indistinguishable in the field.

This species is restricted south of the Palghat Gap with the main distribution range in the higher regions (above 1,100 metres (3,600 ft)) of the Palani Hills extending into the Annamalai Hills in western Tamil Nadu and Munnar in Kerala. The nominate subspecies is found north of the Achankovil gap while meridionale is found in the hills to the south of it. In the Palni Hills, their densities varied across locations ranging from 1.4 birds per hectare at Kukkal, 0.5/ha at Poombarai, 0.33/ha at Kodaikanal Botanical gardens, 0.16/ha on the golf course and 0.22/ha at Paricombai.

They are found in pairs and small groups and they sometimes join mixed-species feeding flocks. They feed on the nectar of flowers of Lobelia excelsa, Rhododendron and Strobilanthes species. They also feed on the petals of some flowers such as Strobilanthes and the fruits of a range of plants including Viburnum, Eurya, Rubus and Rhodomyrtus tomentosa. The breeding season is December to June but peaking in April and May. The nest is a cup of grass with moss and lined with fine fibre placed in a low fork hidden in dense vegetation. The usual clutch is two blue eggs with reddish markings and indistinguishable from those of the black-chinned laughingthrush. When the nest is predated or after the young fledge, the nest is destroyed. The nests of other birds in the vicinity may also be torn up by the parent birds. Unhatched eggs may also be eaten by the parent birds. The contact calls are very loud series of steeply ascending notes pee-koko... pee-koko followed by more abrupt notes. Numerous other vocalizations such as a low kweer calls are produced in other behavioural contexts. Some calls appear to be antiphonal duets.