LC
Grey-throated Rail Canirallus oculeus



Taxonomy

Taxonomic source(s)
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 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 High
Land mass type Average mass 277 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 4,220,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Decreasing suspected -
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) 3.7 - - -

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 1996).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Cameroon N Extant Yes
Central African Republic N Extant Yes
Congo N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Côte d'Ivoire N Extant Yes
Equatorial Guinea N Extant Yes
Gabon N Extant Yes
Ghana N Extant Yes
Guinea N Extant Yes
Liberia N Extant Yes
Nigeria N Extant Yes
Sierra Leone N Extant Yes
Uganda N Possibly Extinct Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Cameroon Bakossi mountains
Cameroon Campo Ma'an complex
Cameroon Dja Faunal Reserve
Cameroon Korup National Park
Cameroon Mount Cameroon and Mokoko-Onge
Congo Dimonika Biosphere Reserve
Congo Lower Kouilou basin
Congo Nouabalé-Ndoki National Park complex
Congo Odzala National Park complex
Congo, The Democratic Republic of the Forests west of Lake Edward
Congo, The Democratic Republic of the Itombwe Mountains
Congo, The Democratic Republic of the Kahuzi-Biega National Park
Congo, The Democratic Republic of the Lomako - Yekokora
Congo, The Democratic Republic of the Luki Forest Reserve
Congo, The Democratic Republic of the Maiko National Park
Congo, The Democratic Republic of the Ngiri
Congo, The Democratic Republic of the Okapi Faunal Reserve
Congo, The Democratic Republic of the Salonga National Park
Côte d'Ivoire Azagny National Park
Côte d'Ivoire Parc National de Taï et Réserve de faune du N'Zo
Côte d'Ivoire Yapo and Mambo Forest Reserves
Gabon Gamba Protected Areas Complex
Gabon Ipassa Strict Nature Reserve
Gabon Lopé Faunal Reserve
Gabon Minkébé Forest Reserve
Gabon Ogooué delta and Mandji island
Ghana Kakum National Park - Assin Attandaso Resource Reserve
Guinea Monts Nimba (part of Mount Nimba transboundary AZE)
Liberia Grebo
Liberia Lofa-Gola-Mano Complex
Liberia Nimba mountains
Liberia Wonegizi mountains
Liberia Zwedru
Nigeria Cross River National Park (Oban Division)
Nigeria Omo Forest Reserve
Sierra Leone Gola Forests
Sierra Leone Loma Mountains Non-hunting Forest Reserve
Sierra Leone Tingi Hills Non-hunting Forest Reserve
Sierra Leone Western Area Peninsula Non-hunting Forest Reserve

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Swamp suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Logging & wood harvesting Timing Scope Severity Impact
Ongoing Whole (>90%) Negligible declines
Stresses
Ecosystem degradation

Recommended citation
BirdLife International (2019) Species factsheet: Canirallus oculeus. Downloaded from http://www.birdlife.org on 16/10/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 16/10/2019.