LC
Olive Spinetail Cranioleuca obsoleta



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 not a migrant Forest dependency Medium
Land mass type Average mass 13.39999962 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 693,000 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 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 - - -
Largest subpopulations - - -
Generation length (yrs) 3.8 - - -

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

Trend justification: This population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 2003).


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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Alta cuenca del arroyo Alegría
Argentina Barra Concepción
Argentina Parque Nacional Iguazú y alrededores
Argentina Parque Provincial Cruce Caballero
Argentina Parque Provincial Uruzú y Reserva Forestal San Jorge
Argentina Reserva de la Biósfera Yabotí
Argentina Reserva Privada Yaguaroundí
Argentina San Pedro
Brazil Área de Proteção Ambiental de Guaratuba
Brazil Campos Gerais do Paraná
Brazil Ilhabela State Park (Parque Estadual de Ilhabela IBA)
Brazil Parque Estadual do Turvo
Brazil Parque Nacional do Iguaçu
Brazil Região dos Aparados da Serra
Brazil Serra do Marumbi
Paraguay Estancia Itabó
Paraguay Estancia Muxfeldt
Paraguay Parque Nacional Caazapá
Paraguay Parque Nacional San Rafael
Paraguay Reserva Itabó - Itaipú
Paraguay Tapyta
Paraguay Ypeti

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Moist Lowland major resident
Forest Temperate suitable resident
Altitude 0 - 1000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2019) Species factsheet: Cranioleuca obsoleta. Downloaded from http://www.birdlife.org on 27/06/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 27/06/2019.