Taczanowski’s Ground Tyrant

Taczanowski's ground tyrant (Muscisaxicola griseus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Bolivia and Peru. == Taxonomy and systematics == Taczanowski's ground tyrant was for a time treated as a subspecies of M. alpinus, which most taxonomists called the "plain-capped ground-tyrant". They were separated following a study published in 2020 and confusingly M. griseus was then called "plain-capped" and M. alpinus the "paramo" ground tyrants by some systems. Soon thereafter M. griseus gained its current English name of Taczanowski's ground tyrant. Of the major taxonomic systems, only the IOC now calls M. alpinus the "paramo ground tyrant". The South American Classification Committee of the American Ornithological Society (SACC), the Clements taxonomy, and BirdLife International's Handbook of the Birds of the World again call M. alpinus the "plain-capped ground-tyrant". Taczanowski's ground tyrant is monotypic. == Description == Taczanowski's ground tyrant is 16.5 to 19 cm (6.5 to 7.5 in) long. The sexes have the same plumage. Adults have a brownish gray crown, dusky lores, a long white supercilium that extends past the eye, and a small white patch below the eye. Their nape and back are smoky gray. Their wings are a…