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Seychelles Swiftlet Aerodramus elaphrus

IUCN Red List Criteria

Critically Endangered  
Endangered  
Vulnerable D2 

IUCN Red List history

Year Category
2012 Vulnerable
2008 Vulnerable
2004 Vulnerable
2000 Vulnerable
1996 Vulnerable
1994 Vulnerable
1988 Threatened

Species attributes

Migratory status not a migrant Forest dependency Low
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 210 medium
Number of locations 2-5 -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals 1700-2000 medium Estimated 2000
Population trend Stable -
Number of subpopulations 3 - - -
Largest subpopulation 2300 - - -
Generation length (yrs) 5 - - -
Population justification: Studies in 1996-1997 estimated the total population at 2,500-3,000 individuals, roughly equivalent to 1,700-2,000 mature individuals.
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Seychelles Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Seychelles La Digue island site factsheet
Seychelles Mahé highlands and surrounding areas site factsheet
Seychelles Montagne Glacis site factsheet
Seychelles Praslin National Park and surrounding areas site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Caves and Subterranean Habitats (non-aquatic) Caves major breeding
Forest Subtropical/Tropical Moist Lowland suitable resident
Shrubland Subtropical/Tropical Moist suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) major resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) major resident
Altitude 0 - 0 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Hunting & trapping terrestrial animals / Intentional use (species is the target) Timing Scope Severity Impact
Past, Unlikely to Return Majority (50-90%) Slow, Significant Decline Past Impact
Stresses
Reduced reproductive success, Species mortality
Energy production & mining Mining & quarrying Timing Scope Severity Impact
Future Minority (<50%) Rapid Declines Low Impact: 4
Stresses
Ecosystem degradation, Ecosystem conversion
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Barn Owl (Tyto alba) Timing Scope Severity Impact
Ongoing Minority (<50%) Unknown Unknown
Stresses
Competition
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Domestic Cat (Felis catus) Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Unspecified species Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
Stresses
Ecosystem degradation
Pollution Agricultural & forestry effluents / Herbicides and pesticides Timing Scope Severity Impact
Past, Unlikely to Return Minority (<50%) Slow, Significant Decline Past Impact
Stresses
Ecosystem degradation
Residential & commercial development Commercial & industrial areas Timing Scope Severity Impact
Future Minority (<50%) Rapid Declines Low Impact: 4
Stresses
Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2014) Species factsheet: Aerodramus elaphrus. Downloaded from http://www.birdlife.org on 19/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/09/2014.

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 Vulnerable
Family Apodidae (Swifts)
Species name author Oberholser, 1906
Population size 1700-2000 mature individuals
Population trend Stable
Distribution size (breeding/resident) 210 km2
Country endemic? Yes
Links to further information
- Summary information on this species