Eared Pygmy Tyrant
Photo © Henrique Bitencourt
Photo © Henrique Bitencourt — CC BY-SA 4.0 — Source: iNaturalist #328503287The eared pygmy tyrant (Myiornis auricularis) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Brazil, and Paraguay. == Taxonomy and systematics == The eared pygmy tyrant has two subspecies, the nominate M. a. auricularis (Vieillot, 1818) and M. a. cinereicollis (Wied-Neuwied, M, 1831). The Clements taxonomy includes a potential third subspecies, "Eared Pygmy-Tyrant (Pernambuco)", as "Myiornis auricularis [undescribed form]". One author has treated the white-bellied pygmy tyrant (M. albiventris) as a subspecies of the eared pygmy tyrant but major taxonomic systems retain it as a full species. The eared pygmy tyrant's taxonomy has undergone other changes as well. It was originally described in 1818 as Platyrhynchos auricularis, part of a complex of "flatbills". Subspecies M. a. cinereicollis was originally described as a full species, Euscarthmus cinereicollis. Genus Platyrhynchos eventually was limited to some Old World species and then lost altogether, and Euscarthmus was eventually limited to a few New World species. The eared pygmy tyrant landed in Myiornis, which several authors have suggested should be merged into genus Hemitriccus. == Description == The eared pygmy tyrant is about 7 to 9 cm (2.8 to 3.5 in) long and weighs about 5…
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