Zimmerius
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 as the type species. The name Zimmerius was chosen to honour the American ornithologist John Todd Zimmer who specialised in the classification of Neotropical birds.Species
The genus contains 15 species:| Image | Scientific name | Common name | Distribution |
| Guatemalan tyrannulet | Zimmerius parvus | southern Mexico, Guatemala, El Salvador and southern Belize. | |
| Spectacled tyrannulet | Zimmerius improbus | northeast Colombia and northwest Venezuela | |
| Venezuelan tyrannulet | Zimmerius petersi | Venezuela | |
| Bolivian tyrannulet | Zimmerius bolivianus | Bolivia and Peru. | |
| Red-billed tyrannulet | Zimmerius cinereicapilla | Bolivia, Ecuador, and Peru | |
| Mishana tyrannulet | Zimmerius villarejoi | northeastern Peru. | |
| Chico's tyrannulet | Zimmerius chicomendesi | Brazil. | |
| Slender-footed tyrannulet | Zimmerius gracilipes | Venezuela, Colombia, Ecuador, Peru, Bolivia and Brazil. | |
| Guianan tyrannulet | Zimmerius acer | east Amazon Basin and northeastern Brazil. | |
| Golden-faced tyrannulet | Zimmerius chrysops | Colombia, Ecuador, Peru, and Venezuela. | |
| Coopmans's tyrannulet | Zimmerius minimus | Colombia and Venezuela. | |
| Choco tyrannulet | Zimmerius albigularis | western Colombia and western Ecuador | |
| Loja tyrannulet | Zimmerius flavidifrons | southwestern Ecuador. | |
| Peruvian tyrannulet | Zimmerius viridiflavus | southern Ecuador. |