Rufous-naped Ground-tyrant (Muscisaxicola rufivertex) | Details

Rufous-naped Ground-tyrant Muscisaxicola rufivertex

Current view: Data table and detailed info

Taxonomy

Taxonomic note
Muscisaxicola rufivertex and M. occipitalis (del Hoyo and Collar 2016) were previously lumped as M. rufivertex following SACC (2005 & updates), Sibley & Monroe (1990, 1993) and Stotz et al. (1996).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red List criteria met and history

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2024	Least Concern
2016	Least Concern
2012	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Species attributes

Migratory status	altitudinal migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	20 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,650,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.76 years	-	-	-

Population justification: The global population size has not been quantified, but the pre-split species has been described as 'fairly common' (Stotz et al. 1996). This population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Trend justification: This population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Argentina	extant	native	yes
Bolivia	extant	native	yes
Chile	extant	native	yes
Peru	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Pastureland	suitable	breeding
Artificial/Terrestrial	Pastureland	suitable	non-breeding
Grassland	Subtropical/Tropical Dry	major	non-breeding
Grassland	Subtropical/Tropical High Altitude	major	breeding
Rocky areas (eg. inland cliffs, mountain peaks)		suitable	breeding
Rocky areas (eg. inland cliffs, mountain peaks)		suitable	non-breeding
Shrubland	Subtropical/Tropical Dry	suitable	non-breeding
Shrubland	Subtropical/Tropical High Altitude	suitable	breeding
Altitude	300 - 4500 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Rufous-naped Ground-tyrant Muscisaxicola rufivertex. Downloaded from https://datazone.birdlife.org/species/factsheet/rufous-naped-ground-tyrant-muscisaxicola-rufivertex on 22/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/12/2024.