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Guam Rail Hypotaenidia owstoni

IUCN Red List history

Year Category
2012 Extinct in the Wild
2010 Extinct in the Wild
2008 Extinct in the Wild
2004 Extinct in the Wild
2000 Extinct in the Wild
1996 Extinct in the Wild
1994 Extinct in the Wild
1988 Threatened

Species attributes

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

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Guam (to USA) Native Extinct       Yes
Northern Mariana Islands (to USA) Introduced Extant Yes      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Guam (to USA) Cocos Island, Guam site factsheet
Guam (to USA) Guam National Wildlife Refuge site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Pastureland suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Grassland Subtropical/Tropical Dry suitable resident
Savanna Dry suitable resident
Shrubland Subtropical/Tropical Dry suitable resident
Altitude 0 - 0 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Brown Tree Snake (Boiga irregularis) Timing Scope Severity Impact
Ongoing Whole (>90%) Rapid Declines High Impact: 8
Stresses
Reduced reproductive success, Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Domestic Cat (Felis catus) Timing Scope Severity Impact
Ongoing Unknown Rapid Declines Unknown
Stresses
Reduced reproductive success, Species mortality

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Historical

Recommended citation
BirdLife International (2014) Species factsheet: Hypotaenidia owstoni. Downloaded from http://www.birdlife.org on 21/08/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/08/2014.

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 Extinct in the Wild
Family Rallidae (Rails, Gallinules, Coots)
Species name author (Rothschild, 1895)
Links to further information
- Summary information on this species