Bronze-olive Pygmy Tyrant

The bronze-olive pygmy tyrant (Pseudotriccus pelzelni) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Colombia, Ecuador, Panama, and Peru. == Taxonomy and systematics == The bronze-olive pygmy tyrant has these four subspecies: P. p. berlepschi Nelson, 1913 P. p. annectens (Salvadori & Festa, 1899) P. p. pelzelni Taczanowski & Berlepsch, 1885 P. p. peruvianus Bond, J, 1947 The bronze-olive pygmy tyrant and the hazel-fronted pygmy tyrant (P. simplex) form a superspecies and might be conspecific. == Description == The bronze-olive pygmy tyrant is 11 to 11.5 cm (4.3 to 4.5 in) long and weighs 9 to 11 g (0.32 to 0.39 oz). The sexes have the same plumage. Adults of the nominate subspecies P. p. pelzelni have a mostly dark brownish-olive head, upperparts, and tail. Their crown is slightly darker than their back and has a bushy crest that is only rarely raised. Their wings are also dark brownish-olive, but with diffuse warmer brown edges to the coverts and inner flight feathers. Their chin and throat are creamy whitish, their breast and flanks olive, and their belly and undertail coverts creamy yellow. Subspecies P. p. berlepschi has darker and browner upperparts and…