NT
Rusty-barred Owl Strix hylophila



Taxonomy

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
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 Near Threatened A2c+3c+4c
2012 Near Threatened A2c+3c+4c
2008 Near Threatened A2c; A3c; A4c
2004 Near Threatened
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 Land-mass type - continent
Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,100,000 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 poor 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) 20-29 - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 9.6 - - -

Population justification: The global population size has not been quantified. This species has been described as uncommon, but is the most common larger owl in Misiones, Argentina.

Trend justification: A moderately rapid and on-going decline is suspected owing to habitat loss.


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 Montecarlo
Argentina Parque Nacional Iguazú y alrededores
Argentina Parque Provincial Cruce Caballero
Argentina Parque Provincial Urugua-í
Argentina Parque Provincial Uruzú y Reserva Forestal San Jorge
Argentina Reserva de la Biósfera Yabotí
Argentina San Antonio
Argentina San Pedro
Brazil Área de Proteção Ambiental de Guaratuba
Brazil Campos do Planalto das Araucárias
Brazil Campos Gerais do Paraná
Brazil Complexo Pedra Azul / Forno Grande
Brazil Guaraqueçaba / Jacupiranga / Cananéia
Brazil Jaguariaíva
Brazil Maciço Florestal de Paranapiacaba
Brazil Médio Rio Camaquã
Brazil Parque Estadual da Serra do Brigadeiro
Brazil Parque Estadual do Turvo
Brazil Parque Nacional de Itatiaia
Brazil Parque Nacional de São Joaquim
Brazil Parque Nacional do Iguaçu
Brazil Região de Blumenau
Brazil Região dos Aparados da Serra
Brazil São Francisco Xavier / Monte Verde
Brazil Serra da Mantiqueira
Brazil Serra do Marumbi
Paraguay Estancia Itabó
Paraguay Estancia Muxfeldt
Paraguay Parque Nacional Caazapá
Paraguay Parque Nacional San Rafael

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Rural Gardens suitable resident
Artificial/Terrestrial Urban Areas suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Forest Temperate suitable resident
Altitude 0 - 1000 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Logging & wood harvesting Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines
Stresses
Ecosystem degradation, Ecosystem conversion

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2017) Species factsheet: Strix hylophila. Downloaded from http://www.birdlife.org on 22/10/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 22/10/2017.