NATURAL HISTORY · CATALOGUE RECORD
Grey Sibia
Heterophasia gracilis (Horsfield, 1840)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Grey Sibia Heterophasia gracilis. Clicked by Dr. Raju in Lengteng Wildlife Sanctuary, Mizoram, India
Dr. Raju Kasambe · CC BY-SA 4.0 · Image sourceProvider-generated thumbnail requested at 320 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The grey sibia (Heterophasia gracilis) is a species of bird in the family Leiothrichidae.
It is namely present across the Purvanchal Range and western Hengduan Mountains.
Its natural habitat is subtropical or tropical moist montane forest.
Wikipedia contributors, Grey sibia; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T01:57:58.604811+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Heterophasia gracilis (Horsfield, 1840)
- Name authority
- (Horsfield, 1840)
- Common name
- Grey Sibia
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Passeriformes
- Family
- Leiothrichidae
- Genus
- Heterophasia
- Extinction status
- Recorded extant
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classAves
- orderPasseriformes
- familyLeiothrichidae Swainson, 1832
- genusHeterophasia Blyth, 1842
- speciesHeterophasia gracilis (Horsfield, 1840)
Close classified relatives
These entries share the source’s genus, Heterophasia. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Rufous SibiaHeterophasia capistrata (Vigors, 1831) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
| Black-headed SibiaHeterophasia desgodinsi (Oustalet, 1877) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
| Dark-backed SibiaHeterophasia melanoleuca (Blyth, 1859) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
| Long-tailed SibiaHeterophasia picaoides (Hodgson, 1839) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
| Beautiful SibiaHeterophasia pulchella (Godwin-Austen, 1874) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
| White-eared SibiaHeterophasia auricularis (Swinhoe, 1864) | LeiothrichidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Hypsipetes gracilis Horsfield, 1840 Horsfield, 1840 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=560434 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:3LBVQ. Classification follows source parent identifiers. English common names may vary by region.