NATURAL HISTORY · CATALOGUE RECORD
Worthen's Sparrow
Spizella wortheni Ridgway, 1884
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
Worthen's sparrow (Spizella wortheni) is a species of American sparrow that is endemic to northeastern Mexico. It was first described by Robert Ridgway in 1884 and named for the American naturalist Charles K. Worthen. This small bird has been listed as endangered by the IUCN since 1994.
Wikipedia contributors, Worthen's sparrow; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:37:05.659385+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Spizella wortheni Ridgway, 1884
- Name authority
- Ridgway, 1884
- Common name
- Worthen's Sparrow
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Passeriformes
- Family
- Passerellidae
- Genus
- Spizella
- 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
- familyPasserellidae
- genusSpizella Bonaparte, 1832
- speciesSpizella wortheni Ridgway, 1884
Close classified relatives
These entries share the source’s genus, Spizella. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Brewer's SparrowSpizella breweri Cassin, 1856 | PasserellidaeChordata | Accepted speciesRecorded extant |
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=179446 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:6ZCJJ. Classification follows source parent identifiers. English common names may vary by region.