Race Description: P.e. erithacus: both adults grey in colour with grey/white scalloping to feathers; flight feathers darker grey; red tail and lower undertail coverts. Bill black. Eye grey. P.e. timneh: both adults dark grey in colour, paler on rump and abdomen; dark grey lower undertail coverts tinged with dark red; dark burgundy tail, the feathers edged with brown. Upper mandible dark red tipped with black, lower mandible black; smaller in size.