Serpophaga

Serpophaga is a genus of bird found in Central and South America. The genus is in the family Tyrannidae, the Tyrant Flycatchers. It contains the following species:
 * Torrent Tyrannulet (Serpophaga cinerea)
 * River Tyrannulet (Serpophaga hypoleuca)
 * Sooty Tyrannulet (Serpophaga nigricans)
 * White-crested Tyrannulet (Serpophaga subcristata)
 * White-bellied Tyrannulet (Serpophaga munda)
 * Straneck's Tyrannulet / Grey-crowned Tyrannulet (Serpophaga griseicapilla)