Tyranniscus

Tyranniscus is a genus of tyrant flycatchers in the Tyrannidae family. It contains the following species:
 * Rough-legged Tyrannulet, Tyranniscus burmeisteri
 * White-fronted Tyrannulet, Tyranniscus zeledoni
 * Black-capped Tyrannulet, Tyranniscus nigrocapillus
 * Ashy-headed Tyrannulet, Tyranniscus cinereiceps
 * Tawny-rumped Tyrannulet, Tyranniscus uropygialis