Sooty tyrannulet

Sooty tyrannulet
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Serpophaga
Species:
S. nigricans
Binomial name
Serpophaga nigricans
(Vieillot, 1817)
Distribution of S. nigricans
  Year-round

The sooty tyrannulet (Serpophaga nigricans) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is small, usually weighing 9 grams with a length of 12 centimeters, and has gray or brownish-grey feathers with black tail feathers. It is found in Argentina, Brazil, and Uruguay; also southern Paraguay. A small extension of its range is in southeastern Bolivia.

Its natural habitats are subtropical or tropical moist shrubland, rivers, and swamps.