Regulus Cuvier, 1800 Leçons d'anatomie comparée 1 tab.2 Le roitelet Cuvier ; Type by monotypy = Motacillaregulus Linnaeus, 1758
1045. GoldcrestRegulus regulus (Linnaeus, 1758) Original Description:MotacillaRegulus Linnaeus, 1758 Systema Naturæ per Regna Tria Naturæ, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Editio decima, reformata 1 p.188 IUCN: Least Concern. SoIB: Low. WLPA: Schedule-II. CMS: Appendix II.
1045a. Regulus regulus himalayensis Bonaparte, 1856 [HB#1629] Original Description:Reg[ulus].himalayensis Bonaparte, 1856 Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences Tome 42, 1er semestre, N°17 p.767 (Kotgarh, Himachal) Taxonomy: Includes salimalii Deignan 1954 from Kotgarh, Himachal. Distribution: W Himalaya from Gilgit, Ladakh, Kashmir, Jammu, Himachal, and Uttarakhand. Specimens: BNHS, NHMUK, UMMZ, AMNH, FMNH, ROM, USNM Notes: Records of tristis subspecies from Ladakh are fraudulent (RA2012).
1045b. Regulus regulus sikkimensis Meinertzhagen & Meinertzhagen, 1926 [HB#1630] Original Description:Regulusregulussikkimensis Meinertzhagen & Meinertzhagen, 1926 Bulletin of the British Ornithologists' Club 46 p.97 (Sikkim) Distribution: N Bengal, Sikkim, and Arunachal till about Mishmi hills. Type Specimen: NHMUK#1886.11.1.685 (Holotype). Specimens: NHMUK, AMNH
[Regulus regulus yunnanensis Rippon, 1906 [HB#1631]] Original Description:Regulusyunnanensis Rippon, 1906 Bulletin of the British Ornithologists' Club 19 p.19 Distribution: Winter: Walong region (NE Arunachal). Notes: Walong population almost certainly this greener-backed subspecies while the birds found in Mayodia and Upper Dibang valley could also belong here, but considered tentatively as sikkimensis. A thorough investigation required.