Chilean Mockingbird Mimus thenca


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. 2005 and updates. A classification of the bird species of South America. Available at: #

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

Red List history
Year Category Criteria
2018 Least Concern
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 not a migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 335,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Stable suspected -
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 - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 5.3 - - -

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

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 2005).

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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Chile Corredor Biológico Nevados de Chillán-Laguna del Laja
Chile Parque Nacional Bosque de Fray Jorge
Chile Reserva Nacional Las Chinchillas
Chile Parque Nacional La Campana
Chile Santuario de la Naturaleza Yerba Loca
Chile Reserva Nacional Río Clarillo
Chile Reserva Nacional Altos de Lircay
Chile Bio-bio Desembocadura
Chile Valle Las Trancas - Termas de Chillan
Chile Parque Tumbes Talcahuano
Chile Acantilados y Farellones Costeros
Chile Bosque Nativo Protegido
Chile Lago Peñuelas
Chile Monumento Natural Contulmo
Chile Salto Rayén
Chile Reserva Nacional Nonguén
Chile Valle del Yeso
Chile Sitio Prioritario de Conservación El Roble
Chile Santuario de la Naturaleza Península de Hualpén
Chile Laguna Conchali
Chile Putu
Chile Costa de Quintero y Mar Adyacente (Pelagico)
Chile Ciénagas del Name
Chile Salinas de Huentelauquén Ramsar Site
Chile Lago Lanalhue
Chile Desembocadura Río Mataquito
Chile Humedal de Batuco
Chile Reserva Nacional Laguna Torca
Chile Punta Lengua de Vaca
Chile Humedal El Yali
Chile Parque Nacional Alerce Andino
Chile Parque Nacional Villarica
Chile Monumento Natural Isla Cachagua
Chile Desembocadura del Río Itata
Chile Desembocadura del Río Bío-Bío
Chile Humedal-Estuario Tubul-Raqui
Chile Laguna Grande de San Pedro de la Paz y Humedal Los Batros
Chile Isla Pájaro Niño de Algarrobo

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Shrubland Subtropical/Tropical Dry major resident
Altitude 0 - 2200 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2023) Species factsheet: Mimus thenca. Downloaded from on 29/01/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 29/01/2023.