Brown-breasted Pygmy-Tyrant

Here the details of the Brown-breasted Pygmy-Tyrant named bird below:

SCI Name:  Hemitriccus obsoletus
Protonym:  Musciphaga obsoleta Arch.Mus.Nac.RiodeJaneiro 13 p.183
Taxonomy:  Passeriformes / Tyrannidae / Hemitriccus
Taxonomy Code:  bnbpyt1
Type Locality:  Retiro do Ramos, Caminho de Couto, Itatiaia, Rio de Janeiro, Brazil.
Author:  Miranda-Ribeiro
Publish Year:  1905
IUCN Status:  Least Concern

DEFINITIONS

HEMITRICCUS
(Tyrannidae; Ϯ Drab-breasted Bamboo Tyrant H. diops) Gr. ἡμι- hēmi-  small  < ἡμισυς hēmisus  half; τρικκος trikkos  unidentified small bird. In ornithology triccus signifies tyrant flycatcher; "PHYLLOSCARTES   ...   In ihre Nähe würden zu stellen sein die Genera:  Hemitriccus Nob. (von ἡμι, halb und τρικκος = Todus).  (Musciphaga (!) Less. 1831).  Von Euscarthmus durch längere Flügel, stärken und breitern Schwanz und grössere Entwickelung der Bartborsten verschieden:   H. diops. — Muscicapa diops "Natt." Temm. Pl. col. 144.1. — Todirostrum diops Lafr. R. Z. 1846. p. 365. 13. — Euscarthmus vilis Burm. Th. Bras. II. p. 490. — Muscicapa vilis Licht. in Mus. Berol. (Brasilien)." (Cabanis & Heine 1859); "Hemitriccus Cabanis and Heine, 1859, Museum Heineanum, II, p. 52.  New name for Musciphaga Lesson, 1837, considered barbarous." (JAJ 2021).
Var. Hemitriscus.   
Synon. Andinotriccus, Bornscheinia, Campina, Ceratotriccus, Euscarthmornis, Idioptilon, Inambariornis, Microcochlearius, Musciphaga, Snethlagea, Todirhamphus.

obsoleta / obsoletum / obsoletus
L. obsoletus  plain, worn out, forgotten  < obsolescere  to wear out.
● ex “Plain Falcon” of Pennant 1785 (syn. Falco rusticolus).

SUBSPECIES

Brown-breasted Pygmy-Tyrant (obsoletus)
SCI Name: Hemitriccus obsoletus obsoletus
obsoleta / obsoletum / obsoletus
L. obsoletus  plain, worn out, forgotten  < obsolescere  to wear out.
● ex “Plain Falcon” of Pennant 1785 (syn. Falco rusticolus).

Brown-breasted Pygmy-Tyrant (zimmeri)
SCI Name: Hemitriccus obsoletus zimmeri
zimmeri
Dr John Todd Zimmer (1889-1957) US ornithologist, taxonomist (subsp. Amazilia lactea, subsp. Atlapetes semirufus, subsp. Cnemathraupis eximia, subsp. Culicicapa helianthea, subsp. Deconychura pallida, syn. Hemispingus superciliaris chrysophrys, subsp. Hemitriccus obsoletus, subsp. Metriopelia ceciliae, subsp. Microeca fascinans, subsp. Myrmotherula longipennis, syn. Piranga hepatica, Scytalopus, Synallaxis, syn. Thamnophilus stictocephalus, subsp. Tolmomyias flaviventris, syn. Tyrannus melancholicus).