The adult male Black-capped Pygmy Tyrant has a black crown and white spectacles. The species uses humid lowland forest canopy, edges, clearings, and some second growth.
An adult male has a black crown, dark gray head, and white spectacles. Its upperparts are olive green and its wings have two yellow bars. Females have a duller, sootier crown.
It uses forest canopy, edges, and clearings, as well as second growth and semi-open woodland.
An extinction-risk assessment has not been added yet.