NATURAL HISTORY · CATALOGUE RECORD

Dusky-legged Guan

Penelope obscura Temminck, 1815

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 dusky-legged guan (Penelope obscura) is a species of bird in the family Cracidae, the chachalacas, guans, and curassows. It is found in Uruguay, northeastern Argentina and southernmost areas of Paraguay and Brazil. In early 2021, the former subspecies P. o. bridgesi, found in southwestern Bolivia and northwestern Argentina, was elevated to species rank as Yungas guan.

Wikipedia contributors, Dusky-legged guan; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:23:21.500948+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name: Penelope obscura Temminck, 1815
Name authority: Temminck, 1815
Common name: Dusky-legged Guan
Rank: species
Accepted status: accepted
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Galliformes
Family: Cracidae
Genus: Penelope
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
orderGalliformes
familyCracidae
subfamilyPenelopinae
genusPenelope Merrem, 1786
speciesPenelope obscura Temminck, 1815

Close classified relatives

These entries share the source’s genus, Penelope. They are not necessarily the closest relatives established by molecular evidence.

Species	Classification	Source status
White-crested GuanPenelope pileata Wagler, 1830	CracidaeChordata	Accepted speciesRecorded extant
Rusty-margined GuanPenelope superciliaris Temminck, 1815	CracidaeChordata	Accepted speciesRecorded extant
Andean GuanPenelope montagnii (Bonaparte, 1856)	CracidaeChordata	Accepted speciesRecorded extant
Chestnut-bellied GuanPenelope ochrogaster Pelzeln, 1870	CracidaeChordata	Accepted speciesRecorded extant
Cauca GuanPenelope perspicax Bangs, 1911	CracidaeChordata	Accepted speciesRecorded extant
Yungas GuanPenelope bridgesi G. R. Gray, 1860	CracidaeChordata	Accepted speciesRecorded extant

Browse 31 records assigned to Cracidae.

Documented distribution

Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.

South America

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=175736 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:76GQF. Classification follows source parent identifiers. English common names may vary by region.