Dot-winged antwren

The dot-winged antwren (Microrhopias quixensis), also known as the velvety antwren, is a passerine bird in the antbird family. It is found in tropical Central and South America from southeastern Mexico south to western Ecuador, northern Bolivia and  central Brazil. The male dot-winged antwren is blackish, while the female has brownish underparts.Greenberg, R. & J. Gradwohl (1983) "Sexual Roles in the Dot-Winged Antwren (Microrhopias quixensis), a Tropical Forest Passerine". (PDF)  Auk 100 (4): 920–925 It is the only member of the genus Microrhopias.

References

 Stiles and Skutch,  A guide to the birds of Costa Rica  

Category:Tyranni
Category:Birds of Central America
Category:Birds of South America