Black-crowned Monjita

The black-crowned monjita (Neoxolmis coronatus) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, Uruguay, and as a vagrant to Chile and the Falkland Islands. == Taxonomy and systematics == The black-crowned monjita has a complicated taxonomic history. It was formally described in 1823 as "Tyrannus Coronatus". In 1927 it was moved to genus Xolmis. A 2018 study determined it did not belong in Xolmis and two 2020 studies moved it to genus Nengetus. The South American Classification Committee of the American Ornithological Society (SACC) placed it instead in genus Neoxolmis that had been erected in 1927 for what became the chocolate-vented tyrant (N. rufiventris). The IOC and the Clements taxonomy soon adopted that change. However, as of December 2024 BirdLife International's Handbook of the Birds of the World retained the species in Xolmis. Because the reassignment to Neoxolmis resulted in species of several genera having the English name "monjita", the SACC is seeking a proposal to consider English name changes. The black-crowned monjita is monotypic. == Description == The black-crowned monjita is 20 to 22 cm (7.9 to 8.7 in) long and weighs 40 to 53 g (1.4…