Zimmerius is a genus of Neotropical birds in the family Tyrannidae.
Taxonomy The genus was erected by the American ornithologist Melvin Alvah Traylor Jr. in 1977 with the golden-faced tyrannulet (Zimmerius chrysops) as the type species. The name Zimmerius was chosen to honour the American ornithologist John Todd Zimmer (1889-1957) who specialised in the classification of Neotropical birds.
Species The genus contains 13 species: Image Scientific name Common name Distribution Red-billed tyrannulet Zimmerius cinereicapillaBolivia, Ecuador, and Peru Mishana tyrannulet Zimmerius villarejoinortheastern Peru Chico's tyrannulet Zimmerius chicomendesiBrazil Guianan tyrannulet Zimmerius acer east Amazon Basin and northeastern Brazil Guatemalan tyrannulet Zimmerius vilissimushighlands of southern Mexico (Chiapas), Guatemala and western El Salvador Mistletoe tyrannulet Zimmerius parvuslowlands from eastern Guatemala, Belize, and Honduras southward to Panama and far northwestern Colombia (Chocó) Choco tyrannulet Zimmerius albigulariswestern Colombia and western Ecuador Spectacled tyrannulet Zimmerius improbusnortheast Colombia and northwest Venezuela Golden-faced tyrannulet Zimmerius chrysops Colombia, Ecuador, Peru, and Venezuela. Peruvian tyrannulet Zimmerius viridiflavussouthern Ecuador. Bolivian tyrannulet Zimmerius bolivianus Bolivia and Peru Venezuelan tyrannulet Zimmerius petersiVenezuela Slender-footed tyrannulet Zimmerius gracilipesVenezuela, Colombia, Ecuador, Peru, Bolivia and Brazil. Loja tyrannulet Zimmerius flavidifrons southwestern Ecuador.
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