LC
Aztec Thrush Ridgwayia pinicola



Taxonomy

Taxonomic note

Ridgwayia pinicola (del Hoyo and Collar 2016) was previously listed as Zoothera pinicola.

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
2021 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 High
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 772,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 20000-49999 poor suspected 2019
Population trend Decreasing 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) 4.33 - - -

Population justification: The global population is suspected to number fewer than 50,000 mature individuals (Partners in Flight 2019); thus it is here placed in the band 20,000-49,999 mature individuals.

Trend justification: The species is undergoing a moderate decline (Partners in Flight 2019).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Mexico N Extant Yes
USA V Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Mexico Acahuizotla - Agua del Obispo
Mexico Cebadillas
Mexico El Carricito
Mexico Guacamayita
Mexico La Cima
Mexico La Malinche
Mexico Las Bufas
Mexico Maderas Chihuahua
Mexico Monte Escobedo
Mexico Nevado de Colima
Mexico Omiltemi
Mexico Piélagos
Mexico Tancítaro
Mexico Tacámbaro
Mexico Sur del Valle de México
Mexico Río Presidio - Pueblo Nuevo
Mexico Sierra Norte de Oaxaca
Mexico Sierra de Valparaíso
Mexico Sierra de Miahuatlán
Mexico Sierra de Taxco - Nevado de Toluca
Mexico Sierra de Manantlán
Mexico Sierra Chincua
Mexico Sierra de Atoyac y Bosques de Niebla de la Costa Grande
Mexico Tlanchinol y Bosques de Montaña del Noreste de Hidalgo
Mexico Sierra de Zongolica-Tenango
Mexico Sierra de Santa Rosa
Mexico Pátzcuaro

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Montane major resident
Altitude 1800 - 3500 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2022) Species factsheet: Ridgwayia pinicola. Downloaded from http://www.birdlife.org on 19/08/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/08/2022.