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 a blacker crown than the nominate. Its wing coverts have more conspicuous rufous-brown edges and its underparts are a paler yellow. P. p. annectens has more bronzy upperparts than the nominate and berlepschi. It has a greener crown than berlepschi, with bronze-tinged ear coverts and neck and brighter yellow underparts with a yellow cast on the flanks. P. p. peruvianus resembles the nominate but has more greenish and less brown upperparts and no brownish edges on the wing coverts. Both sexes of all subspecies have a dark red to reddish brown iris, a black bill, and gray legs and feet.
Distribution and habitat
The bronze-olive pygmy tyrant has a disjunct distribution. Subspecies P. p. berlepschi is the northernmost. It is found on Cerro Pirre and Cerro Tacarcuna in extreme eastern...
