sentences:  There are also clear call and morphological difference between the two.The genus "Muscicapa" has been noted to have been polyphyletic and is still in the process of being resolved although the genus "Ficedula" is now considered monophyletic with their origins in east Asia, with diversification following climate changes in the Pliocene.Male have black upperparts with white supercilium and wingpatch, rich yellow underparts and rump.