Data Zone
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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | B1ab(i,ii,iii,iv,v) | B1ab(i,ii,iii,iv,v); C2a(i) |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Endangered | B1ab(i,ii,iii,iv,v) |
| 2012 | Endangered | B1ab(i,ii,iii,iv,v) |
| 2008 | Endangered | B1a+b(i,ii,iii,iv,v) |
| 2004 | Endangered | |
| 2000 | Endangered | |
| 1996 | Vulnerable | |
| 1994 | Vulnerable | |
| 1988 | Threatened |
| Migratory status | not a migrant | Forest dependency | High |
| Land mass type |
Land-mass type - continent |
Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 1,000 | medium |
| Number of locations | 6-10 | - |
| Fragmentation | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | 1500-7000 | poor | estimated | 2000 |
| 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) | 10-19 | - | - | - |
| Decline (10 years/3 generation past and future) | 10-19 | - | - | - |
| Number of subpopulations | 2-100 | - | - | - |
| Largest subpopulations | - | - | - | |
| Generation length (yrs) | 3.4 | - | - | - |
Population justification: The population is estimated to number 2,500-9,999 individuals based on an assessment of known records, descriptions of abundance and range size. This is consistent with recorded population density estimates for congeners or close relatives with a similar body size, and the fact that only a proportion of the estimated Extent of Occurrence is likely to be occupied. This estimate is equivalent to 1,667-6,666 mature individuals, rounded here to 1,500-7,000 mature individuals.
Trend justification: The species's population is suspected to be declining at a moderate rate, in line with the clearance and degradation of mangrove forests in its range.
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Costa Rica | N | Extant | Yes |
| Country/Territory | IBA Name |
|---|---|
| Costa Rica | Central Pacific Mangrooves |
| Costa Rica | Nicoya Gulf mangroves and coastal areas |
| Costa Rica | Sierpe Wetlands and Osa Peninsula |
| Costa Rica | Tárcoles, Carara and La Cangreja |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | resident |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | major | resident |
| Altitude | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Agriculture & aquaculture | Marine & freshwater aquaculture - Scale Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
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| Climate change & severe weather | Storms & flooding | Timing | Scope | Severity | Impact | ||||
| Future | Whole (>90%) | Slow, Significant Declines | Low Impact: 5 | ||||||
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| Pollution | Industrial & military effluents - Type Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
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| Residential & commercial development | Tourism & recreation areas | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
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| Transportation & service corridors | Roads & railroads | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | No decline | Low Impact: 4 | ||||||
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Recommended citation
BirdLife International (2020) Species factsheet: Amazilia boucardi. Downloaded from
http://www.birdlife.org on 30/03/2020.
Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 30/03/2020.
