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Lord Howe Woodhen Hypotaenidia sylvestris

IUCN Red List Criteria

Critically Endangered  
Endangered D1+2 
Vulnerable

IUCN Red List history

Year Category
2013 Endangered
2012 Endangered
2008 Endangered
2006 Endangered
2004 Endangered
2000 Endangered
1996 Endangered
1994 Endangered
1988 Threatened

Species attributes

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

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2 medium
Area of Occupancy breeding/resident (km2) 2 good
Number of locations 1 -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals 140 good Estimated 2000
Population trend Stable good -
Number of subpopulations 1 - - -
Largest subpopulation - - -
Generation length (yrs) 3.4 - - -
Population justification: The population has recovered to the island's carrying capacity (estimated at c.220 individuals [Brook et al. 1997]) and was estimated to be stable at around 220–230 birds and 71–74 breeding pairs (NSW National Parks and Wildlife Service 2002).
Trend justification: The total population has stabilised at c.130 mature birds (Garnett and Crowley 2000).

Country/Territory distribution

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

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Australia Lord Howe Island Permanent Park Preserve (Lord Howe Island IBA) site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 0 - 800 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
Species mortality
Climate change & severe weather Storms & flooding Timing Scope Severity Impact
Future Whole (>90%) Rapid Declines Medium Impact: 6
Stresses
Ecosystem degradation, Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Australian Masked-owl (Tyto novaehollandiae) Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
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
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Domestic Dog (Canis familiaris) Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Domestic Pig (Sus domesticus) Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
Stresses
Species disturbance, Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Goat (Capra hircus) Timing Scope Severity Impact
Ongoing Minority (<50%) No decline Low Impact: 4
Stresses
Species disturbance
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Unspecified species Timing Scope Severity Impact
Future Whole (>90%) Rapid Declines Medium Impact: 6
Stresses
Species mortality

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Hypotaenidia sylvestris. Downloaded from http://www.birdlife.org on 21/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/09/2014.

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 Endangered
Family Rallidae (Rails, Gallinules, Coots)
Species name author (Sclater, 1869)
Population size 140 mature individuals
Population trend Stable
Distribution size (breeding/resident) 2 km2
Country endemic? Yes
Links to further information
- Summary information on this species