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Southern Beardless Tyrannulet.jpg
Camptostoma obsoletum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Tyrannidae
Genus: Camptostoma
P.L. Sclater, 1857

C. imberbe
C. obsoletum

Camptostoma is a small genus of tyrant flycatchers. It contains two species.

These are very small passerine birds which breed in the tropical and subtropical Americas from the southernmost USA south to Paraguay, Bolivia, and Argentina. The two species are similar, and were once considered conspecific. However, they overlap without interbreeding in central Costa Rica.

These are species of in light forests, cultivation and gardens with trees. The domed nest is made of plant fibre or leaves with a side entrance.

They are active birds, feeding in a vireo or warbler-like fashion on insects, spiders and berries.


  • ffrench, Richard (1991). A Guide to the Birds of Trinidad and Tobago (2nd ed.). Comstock Publishing. ISBN 0-8014-9792-2. 
  • Hilty, Steven L (2003). Birds of Venezuela. London: Christopher Helm. ISBN 0-7136-6418-5. 
  • Stiles and Skutch, A guide to the birds of Costa Rica ISBN 0-8014-9600-4