NATURAL HISTORY · CATALOGUE RECORD
White-throated Tyrannulet
Mecocerculus leucophrys (d'Orbigny & Lafresnaye, 1837)
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.
Open encyclopedia reference
The white-throated tyrannulet (Mecocerculus leucophrys) is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela.
Wikipedia contributors, White-throated tyrannulet; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T08:02:55.667526+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Mecocerculus leucophrys (d'Orbigny & Lafresnaye, 1837)
- Name authority
- (d'Orbigny & Lafresnaye, 1837)
- Common name
- White-throated Tyrannulet
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Passeriformes
- Family
- Tyrannidae
- Genus
- Mecocerculus
- 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
- familyTyrannidae
- genusMecocerculus P. L. Sclater, 1862
- speciesMecocerculus leucophrys (d'Orbigny & Lafresnaye, 1837)
Close classified relatives
These entries share the source’s genus, Mecocerculus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Rufous-winged TyrannuletMecocerculus calopterus (P. L. Sclater, 1859) | TyrannidaeChordata | Accepted speciesRecorded extant |
| Sulphur-bellied TyrannuletMecocerculus minor (Taczanowski, 1879) | TyrannidaeChordata | Accepted speciesRecorded extant |
| Buff-banded TyrannuletMecocerculus hellmayri Berlepsch, 1907 | TyrannidaeChordata | Accepted speciesRecorded extant |
| White-tailed TyrannuletMecocerculus poecilocercus (P. L. Sclater & Salvin, 1873) | TyrannidaeChordata | Accepted speciesRecorded extant |
| White-banded TyrannuletMecocerculus stictopterus (P. L. Sclater, 1859) | TyrannidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Muscicapa leucophrys d'Orbigny & Lafresnaye, 1837 d'Orbigny & Lafresnaye, 1837 | 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=561005 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. A suitable sourced image remains to be added.
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:3YKLZ. Classification follows source parent identifiers. English common names may vary by region.