Data Zone
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. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Near Threatened | A2bc+3bc+4bc |
| 2012 | Near Threatened | A2bc+3bc+4bc |
| 2008 | Near Threatened | A2b,c; A3b,c; A4b,c |
| 2004 | Near Threatened | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | full migrant | Forest dependency | high |
| Land-mass type |
continent |
Average mass | 32 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 19,300,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 15,600,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | medium | estimated | 2003 |
| Population trend | decreasing | medium | estimated | 1998-2008 |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
| Rate of change over the future 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
| Rate of change over the past & future 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
| Generation length | 3.5 years | - | - | - |
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 | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Belize | extant | native | yes | |||
| Bolivia | extant | native | yes | |||
| Brazil | extant | native | yes | |||
| Canada | extant | native | yes | yes | ||
| Colombia | extant | native | ||||
| Costa Rica | extant | native | yes | |||
| Ecuador | extant | native | yes | |||
| El Salvador | extant | native | ||||
| French Guiana | extant | native | yes | |||
| Greenland (to Denmark) | extant | vagrant | ||||
| Guatemala | extant | native | ||||
| Guyana | extant | native | yes | |||
| Honduras | extant | native | ||||
| Mexico | extant | native | yes | |||
| Nicaragua | extant | native | ||||
| Panama | extant | native | yes | |||
| Peru | extant | native | yes | |||
| St Pierre and Miquelon (to France) | extant | native | yes | |||
| Suriname | extant | native | yes | |||
| Trinidad and Tobago | extant | native | yes | |||
| USA | extant | native | yes | |||
| Venezuela | extant | native | yes |
| 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 |
| 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 Declines | Low Impact: 5 | ||||||
|
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| Other options | Other threat | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
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| Pollution | Agricultural & forestry effluents - Type Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
|
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| Transportation & service corridors | Utility & service lines | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Negligible declines | Low Impact: 4 | ||||||
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Recommended citation
BirdLife International (2024) Species factsheet: Olive-sided Flycatcher Contopus cooperi. Downloaded from
https://datazone.birdlife.org/species/factsheet/olive-sided-flycatcher-contopus-cooperi on 18/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 18/12/2024.