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: #http://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 |
land-mass type - continent |
Average mass | 32 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 19,300,000 | medium |
| Extent of Occurrence non-breeding (km2) | 15,600,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | medium | estimated | 2003 | |
| Population trend | decreasing | medium | estimated | - |
| 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) | 20-29 | - | - | - |
| Number of subpopulations | - | - | - | |
| Percentage in 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 | Presence | Origin | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| 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 (2023) Species factsheet: Contopus cooperi. Downloaded from
http://datazone.birdlife.org/species/factsheet/olive-sided-flycatcher-contopus-cooperi on 30/05/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 30/05/2023.
