Shear-tailed Grey Tyrant

The shear-tailed grey tyrant (Muscipipra vetula) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Brazil, and Paraguay. == Taxonomy and systematics == The shear-tailed grey tyrant was formally described in 1823 as Muscicapa vetula, erroneously placing it in the Old World flycatcher family. It was later reassigned to its present genus Muscipipra that had been erected in 1831. The shear-tailed tyrant is the only member of genus Muscipipra and has no subspecies. == Description == The shear-tailed grey tyrant is about 20 to 22.5 cm (7.9 to 8.9 in) long. The sexes have the same plumage. Adults have a mostly dull dark gray head and upperparts. They have dusky ear coverts that form a mask. They have faint streaks on the crown and back. Their wings are dusky blackish. Their tail is long, slender, and deeply notched; it is mostly dusky blackish with pale whitish edges on the undersides of the outermost pair of feathers. They have a white chin and throat, a dark gray breast, and a pale gray belly. They have a blackish iris, a dusky bill, and dusky legs and feet. Juveniles have a white scaly appearance on…