EX
Reunion Shelduck Alopochen kervazoi



Taxonomy

Taxonomic source(s)
Cowles, G. S. 1994. A new genus, three new species and two new records of extinct Holocene birds from Réunion Island, Indian Ocean. GeoBios 27: 87-93.
Cowles, G. S. 1994. A new genus, three new species and two new records of extinct Holocene birds from Réunion Island, Indian Ocean. GeoBios 27: 87-93.
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.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Extinct
2012 Extinct
2008 Extinct
2004 Extinct
2002 Extinct
2000 Not Recognised
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals 0
Population trend not applicable -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 7.8 - - -

Population justification: No extant population remains.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Réunion (to France) N Extinct Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) major resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) major resident
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Hunting & trapping terrestrial animals Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Rapid Declines
Stresses
Species mortality
Biological resource use Logging & wood harvesting Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Rapid Declines
Stresses
Species disturbance, Ecosystem degradation

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Non-trivial Historical

Recommended citation
BirdLife International (2019) Species factsheet: Alopochen kervazoi. Downloaded from http://www.birdlife.org on 17/08/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/08/2019.