LC
Spotless Crake Zapornia tabuensis



Taxonomy

Taxonomic note
Zapornia tabuensis (del Hoyo and Collar 2014) was previously placed in the genus Porzana.

Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and taxonomy of Australian birds. CSIRO Publishing, Collingwood, Australia.
Christidis, L.; Boles, W. E. 2008. Systematics and taxonomy of Australian birds. CSIRO Publishing, Collingwood, Australia.
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.
Turbott, E. G. 1990. Checklist of the birds of New Zealand. Ornithological Society of New Zealand, Wellington.
Turbott, E.G. 1990. Checklist of the birds of New Zealand. Ornithological Society of New Zealand, Wellington.

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

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 57,100,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Unknown 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 - - -
Percentage in largest subpopulation - - -

Trend justification: The overall population trend is increasing (Wetlands International 2006), although some populations are stable. This species has had stable population trends over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
American Samoa N Extant Yes
Australia N Extant Yes
Cook Islands N Extant Yes
Fiji N Extant Yes
French Polynesia N Extant Yes
Indonesia N Extant Yes
Micronesia, Federated States of N Extant Yes
New Caledonia (to France) N Extant Yes
New Zealand N Extant Yes
Niue (to New Zealand) N Extant Yes
Papua New Guinea N Extant Yes
Philippines N Extant Yes
Pitcairn Islands (to UK) N Extant Yes
Samoa N Extant Yes
Solomon Islands N Extant Yes
Timor-Leste N Extant Yes
Tonga N Extant Yes

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

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Aquatic & Marine Artificial/Aquatic - Irrigated Land (includes irrigation channels) suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Ponds (below 8ha) suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Salt Exploitation Sites suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Seasonally Flooded Agricultural Land suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Wastewater Treatment Areas suitable resident
Artificial/Terrestrial Arable Land suitable resident
Artificial/Terrestrial Rural Gardens suitable resident
Marine Intertidal Salt Marshes (Emergent Grasses) suitable resident
Rocky areas (eg. inland cliffs, mountain peaks) suitable resident
Shrubland Temperate suitable resident
Wetlands (inland) Alpine Wetlands (includes temporary waters from snowmelt) suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Wetlands (inland) Seasonal/Intermittent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable resident
Wetlands (inland) Seasonal/Intermittent/Irregular Rivers/Streams/Creeks suitable resident
Altitude 0 - 3300 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2021) Species factsheet: Zapornia tabuensis. Downloaded from http://www.birdlife.org on 23/04/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/04/2021.