LC
Chocolate-vented Tyrant Neoxolmis rufiventris



Taxonomy

Taxonomic note

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.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 465,000 medium
Extent of Occurrence non-breeding (km2) 1,280,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Unknown not applicable -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 3.6 - - -

Population justification: The global population size has not been quantified, but this species is described as 'uncommon and patchily distributed' (Stotz et al. 1996).

Trend justification: It is unclear whether the population is experiencing local fluctuations or an overall decline (del Hoyo et al. 2004).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Argentina N Extant Yes
Brazil V Extant Yes
Chile N Extant Yes
Paraguay V Extant
Uruguay N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Area Natural Protegida El Mangrullo
Argentina Bañados del Arroyo Chucul y Reserva Natural de Fauna Laguna La Felipa
Argentina Bañados del Río Saladillo
Argentina Barrancas de Baradero
Argentina El Zurdo
Argentina Estancia El Cóndor
Argentina Estepas arbustivas del Sur de Buenos Aires
Argentina Estuario del Río Coyle
Argentina Estuario del Río Gallegos
Argentina La Angostura y Alto Río Chico
Argentina Laguna Nimez y costa aledaña del Lago Argentino
Argentina Lagunas del suroeste y relictos del Caldenal
Argentina Meseta de Somuncura Provincial Natural Protected Area
Argentina Meseta del Asador (o Aguila)
Argentina Meseta Lago Buenos Aires
Argentina Meseta Lago Strobel
Argentina Monumento Natural Bosques Petrificados y Estancia El Cuadro
Argentina Parque Nacional Laguna Blanca
Argentina Parque Nacional Los Glaciares y adyacencias (Estancias El Sosiego, La Soledad y Anita)
Argentina Parque Nacional Perito Moreno y Reserva Provincial San Lorenzo
Argentina Península y Bahía de San Julián
Argentina Reserva Costa Atlántica de Tierra del Fuego y zonas adyacentes
Argentina San Antonio Oeste
Argentina Sierras Australes de Buenos Aires
Argentina Sistema Península de Valdés
Argentina Valle del Río Collón Curá
Argentina Vuelta de Obligado
Chile Parque Nacional Pali Aike

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable breeding
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Pastureland suitable non-breeding
Artificial/Terrestrial Pastureland suitable breeding
Grassland Subtropical/Tropical Dry major non-breeding
Grassland Temperate major breeding
Grassland Temperate major non-breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Shrubland Temperate suitable non-breeding
Shrubland Temperate suitable breeding
Altitude 0 - 1200 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2019) Species factsheet: Neoxolmis rufiventris. Downloaded from http://www.birdlife.org on 23/10/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/10/2019.