LC
Slaty Elaenia Elaenia strepera



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 Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 257,000 medium
Extent of Occurrence non-breeding (km2) 4,820,000 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) 1-25 - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 4.6 - - -

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

Trend justification: This species is suspected to lose 9-9.4% of suitable habitat within its distribution over three generations (14 years) based on a model of Amazonian deforestation (Soares-Filho et al. 2006, Bird et al. 2011). It is therefore suspected to decline by <25% over three generations.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Argentina N Extant
Bolivia N Extant
Colombia N Extant
Peru N Extant
Trinidad and Tobago V Extant
Venezuela N Extant

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Abra Grande
Argentina Acambuco
Argentina Alto Calilegua
Argentina Cerro Negro de San Antonio
Argentina Cuesta de las Higuerillas
Argentina Cuesta del Clavillo
Argentina Cuesta del Obispo
Argentina Cuesta del Totoral
Argentina El Fuerte y Santa Clara
Argentina Fincas Santiago y San Andrés
Argentina Itiyuro-Tuyunti
Argentina La Porcelana
Argentina Lagunas San Miguel y El Sauce
Argentina Palomitas y Ebro
Argentina Pampichuela
Argentina Parque Nacional Baritú
Argentina Parque Nacional Calilegua
Argentina Parque Nacional Campo de los Alisos
Argentina Parque Nacional El Rey
Argentina Parque Provincial La Florida
Argentina Parque Provincial Laguna Pintascayoc
Argentina Parque Provincial Los Ñuñorcos y Reserva Natural Quebrada del Portugués
Argentina Quebrada de la Cébila
Argentina Quebrada del Toro
Argentina Reserva Natural Las Lancitas
Argentina Reserva Provincial Santa Ana
Argentina Río Los Sosa
Argentina Río Santa María
Argentina Río Seco
Argentina San Francisco-Río Jordan
Argentina Santa Victoria, Cañani y Cayotal
Argentina Sierra de Medina
Argentina Sierra de Zapla
Argentina Sierra Rosario de la Frontera
Argentina Sierras de Carahuasi
Argentina Tiraxi y Las Capillas
Argentina Trancas
Argentina Valle Morado
Argentina Yala
Argentina Yuto y Vinalito
Bolivia Reserva Nacional de Flora y Fauna Tariquía
Bolivia Serranía de Aguarague

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable non-breeding
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable breeding
Forest Subtropical/Tropical Dry major breeding
Forest Subtropical/Tropical Dry major non-breeding
Forest Subtropical/Tropical Moist Lowland major breeding
Forest Subtropical/Tropical Moist Lowland major non-breeding
Shrubland Subtropical/Tropical Moist suitable non-breeding
Shrubland Subtropical/Tropical Moist suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable non-breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable breeding
Altitude 500 - 2000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2019) Species factsheet: Elaenia strepera. Downloaded from http://www.birdlife.org on 13/11/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 13/11/2019.