noun

• A small tropical American bird of the tyrant flycatcher family, typically with drab greyish or greenish plumage.

  Family Tyrannidae: several genera and many species

  ‘In all most-parsimonious trees, an elevated trabecular plate is homologous in all genera of ‘tyrannulets’ and allies.’

  More example sentences

  • ‘Furthermore, Straneck's treatment of an Argentine tyrannulet taxon as referable to S. griseiceps and the resulting revalidation of S. griseiceps are not confirmed.’
  • ‘The most popular sulphuric body part is the belly, with bulbuls, flycatchers, tyrannulets, tyrant-manakins, warblers, and whistlers all so named.’
  • ‘Empidonax flycatchers have eye rings and lack the supercilium of the tyrannulet.’
  • ‘The Northern Beardless Tyrannulet, Camptostoma imberbe, is a small passerine bird in the tyrant flycatcher family.’