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Olive-sided Flycatcher Contopus cooperi
BirdLife is updating this factsheet for the 2016 Red List
Please email us with any relevant information

IUCN Red List Criteria

Near Threatened (criteria nearly met) A2bc+3bc+4bc 

IUCN Red List history

Year Category
2012 Near Threatened
2008 Near Threatened
2004 Near Threatened
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency High
Land mass type continent
Average mass 32.1 g


  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 8,250,000 medium
Extent of Occurrence non-breeding (km2) 8,250,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals medium Estimated 2003
Population trend Decreasing medium -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 3.5 - - -
Population justification: Rich et al. (2004).
Trend justification: This species has undergone a large and statistically significant decrease over the last 40 years in North America (-76.3% decline over 40 years, equating to a -30.2% decline per decade; data from Breeding Bird Survey and/or Christmas Bird Count (Butcher and Niven 2007).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Belize Native Extant     Yes  
Bolivia Native Extant   Yes    
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant        
Brazil Native Extant   Yes    
Canada Native Extant Yes   Yes  
Colombia Native Extant        
Costa Rica Native Extant   Yes    
Curaçao (to Netherlands) Native Extant        
Ecuador Native Extant   Yes    
El Salvador Native Extant        
French Guiana Native Extant   Yes    
Greenland (to Denmark) Vagrant Extant        
Guatemala Native Extant        
Guyana Native Extant   Yes    
Honduras Native Extant        
Mexico Native Extant Yes      
Nicaragua Native Extant        
Panama Native Extant   Yes    
Peru Native Extant   Yes    
Sint Maarten (to Netherlands) Native Extant        
St Pierre and Miquelon (to France) Native Extant     Yes  
Suriname Native Extant   Yes    
Trinidad and Tobago Native Extant   Yes    
USA Native Extant Yes      
Venezuela Native Extant   Yes    

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Belize Rio Bravo CMA Gallon Jug Estate site factsheet
Brazil Área de Relevante Interesse Ecológico Projeto Dinâmica Biológica de Fragmentos Florestais e Entorno site factsheet
Brazil Cristalino / Serra do Cachimbo site factsheet
Brazil Ji-Paraná / Roosevelt site factsheet
Brazil Maciço Florestal de Paranapiacaba site factsheet
Brazil Parque Estadual da Serra do Mar (entre Caraguatatuba e Picinguaba) site factsheet
Brazil Parque Estadual da Serra do Mar (entre Santos e São Sebastião) site factsheet
Brazil Parque Nacional da Serra do Divisor site factsheet
Brazil Parque Nacional de Itatiaia site factsheet
Brazil Serra da Bocaina / Paraty / Angra dos Reis site factsheet
Brazil Serra dos Carajás site factsheet
Colombia Estrella Fluvial Inírida site factsheet
Colombia Finca la Betulia Reserva la Patasola site factsheet
Colombia Humedales de la Sabana de Bogotá site factsheet
Colombia Laguna de la Cocha site factsheet
Colombia Reserva Forestal Yotoco site factsheet
Colombia Reserva Hidrográfica, Forestal y Parque Ecológico de Río Blanco site factsheet
Colombia Reserva Natural El Pangán site factsheet
Colombia Reserva Natural Río Ñambí site factsheet
Colombia Serranía de las Quinchas site factsheet
Colombia Serranía de los Paraguas site factsheet
Colombia Serranía de San Lucas site factsheet
Colombia Soatá site factsheet
Colombia Valle de San Salvador site factsheet
Honduras Celaque site factsheet
Honduras Cerro Azul Meambar site factsheet
Honduras Comayagua site factsheet
Honduras Cusuco site factsheet
Honduras Güisayote site factsheet
Honduras La Muralla site factsheet
Honduras La Tigra site factsheet
Honduras Montaña de Yoro site factsheet
Honduras Pico Bonito site factsheet
Honduras Sierra de Agalta site factsheet
Mexico Bosques Montanos de Zacapoaxtla y Zautla site factsheet
Mexico Corredor de Barrancas de la Sierra Madre Occidental. site factsheet
Mexico Papigochi site factsheet
Mexico Parque Natural Sierra Nanchititla site factsheet
Mexico Sierra de Zongolica y Tenango site factsheet
Mexico Tlanchinol y bosques de montaña del noreste de Hidalgo site factsheet
Nicaragua Chocoyero - El Brujo - Montibelli and adjacent landscape site factsheet
Nicaragua El Jaguar site factsheet
Nicaragua Los Guatuzos site factsheet
Nicaragua Mombacho Volcano site factsheet
Nicaragua Quirragua Mountains and adjacent landscape site factsheet
Nicaragua San Cristóbal-Casita-Chonco Volcanic Complex site factsheet
Panama Altos de Campana National Park site factsheet
Panama Chagres National Park site factsheet
Panama Damani Wetlands site factsheet
Panama Darién National Park site factsheet
Panama El Chorogo-Palo Blanco site factsheet
Panama El Valle de Antón site factsheet
Panama Fortuna Forest Reserve site factsheet
Panama La Amistad International Park (part of La Amistad and Surrounding Areas AZE) site factsheet
Panama Metropolitan Nature Park site factsheet
Panama Narganá Wildlands Area site factsheet
Panama Palo Seco Protection Forest site factsheet
Panama Panama Canal West Bank site factsheet
Panama Punta Garachiné-Cerro Sapo site factsheet
Panama San Lorenzo National Park site factsheet
Panama Santa Clara site factsheet
Panama Santa Fé National Park site factsheet
Panama Serranía de Majé site factsheet
Panama Soberanía National Park site factsheet
USA Carson Range site factsheet
USA Glacier National Park site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations marginal breeding
Forest Boreal major breeding
Forest Subtropical/Tropical Moist Lowland major non-breeding
Forest Subtropical/Tropical Moist Montane major non-breeding
Forest Temperate major breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable breeding
Wetlands (inland) Shrub Dominated Wetlands suitable breeding
Altitude 0 - 3400 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Logging & wood harvesting / Unintentional effects: (subsistence/small scale) [harvest] Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Ecosystem degradation
Pollution Agricultural & forestry effluents / Type Unknown/Unrecorded Timing Scope Severity Impact
Ongoing Unknown Unknown Unknown
Ecosystem degradation

Recommended citation
BirdLife International (2016) Species factsheet: Contopus cooperi. Downloaded from on 25/10/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 25/10/2016.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Near Threatened
Family Tyrannidae (Tyrant-flycatchers)
Species name author (Swainson, 1832)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 8,250,000 km2
Country endemic? No
Links to further information
- Summary information on this species