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Olive Long-tailed Cuckoo Cercococcyx olivinus

IUCN Red List history

Year Category
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 Medium
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,830,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Stable -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.2 - - -
Population justification: The global population size has not been quantified, but the species is reported to be uncommon in Nigeria (del Hoyo et al. 1997).
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/Territory distribution

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

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Angola Camabatela site factsheet
Cameroon Bakossi mountains site factsheet
Cameroon Campo Ma'an complex site factsheet
Cameroon Dja Faunal Reserve site factsheet
Cameroon Korup National Park site factsheet
Cameroon Lobéké National Park site factsheet
Cameroon Mbam Djerem National Park site factsheet
Cameroon Mont Manengouba site factsheet
Cameroon Mont Nlonako site factsheet
Cameroon Mount Cameroon and Mokoko-Onge site factsheet
Cameroon Mount Kupe site factsheet
Cameroon Mount Rata and Rumpi Hills Forest Reserve site factsheet
Cameroon Nki site factsheet
Central African Republic Dzanga-Ndoki National Park site factsheet
Central African Republic Ngotto site factsheet
Congo Conkouati National Park site factsheet
Congo Dimonika Biosphere Reserve site factsheet
Congo Lake Télé Community Reserve site factsheet
Congo Léfini Faunal Reserve site factsheet
Congo Lower Kouilou basin site factsheet
Congo Nouabalé-Ndoki National Park complex site factsheet
Congo Odzala National Park complex site factsheet
Congo Ogooué Leketi National Park site factsheet
Congo, The Democratic Republic of the Itombwe Mountains site factsheet
Congo, The Democratic Republic of the Lomako - Yekokora site factsheet
Congo, The Democratic Republic of the Ngiri site factsheet
Congo, The Democratic Republic of the Okapi Faunal Reserve site factsheet
Congo, The Democratic Republic of the Salonga National Park site factsheet
Côte d'Ivoire Bossematie Forest Reserve site factsheet
Côte d'Ivoire Gueoule and Glo Mountain Forest Reserves site factsheet
Côte d'Ivoire Marahoue National Park site factsheet
Côte d'Ivoire Mopri Forest Reserve site factsheet
Côte d'Ivoire Mount Nimba Strict Nature Reserve site factsheet
Côte d'Ivoire Peko Mountain National Park site factsheet
Côte d'Ivoire Tai National Park and Nzo Faunal Reserve site factsheet
Côte d'Ivoire Yapo and Mambo Forest Reserves site factsheet
Equatorial Guinea Monte Alen National Park site factsheet
Gabon Ipassa Strict Nature Reserve site factsheet
Gabon Léconi grasslands site factsheet
Gabon Lopé Faunal Reserve site factsheet
Gabon Minkébé Forest Reserve site factsheet
Ghana Atewa Range Forest Reserve site factsheet
Ghana Bosomtwe Range Forest Reserve site factsheet
Ghana Nsuensa Forest Reserve site factsheet
Ghana Pra-Sushien Forest Reserve site factsheet
Ghana Tano-Anwia Forest Reserve site factsheet
Ghana Tano-Offin Forest Reserve site factsheet
Guinea Massif du Ziama site factsheet
Guinea Monts Nimba (part of Mount Nimba transboundary AZE) site factsheet
Liberia Grebo site factsheet
Liberia Lofa-Gola-Mano Complex site factsheet
Liberia Nimba mountains site factsheet
Liberia Wologizi mountains site factsheet
Liberia Zwedru site factsheet
Nigeria Afi River Forest Reserve site factsheet
Nigeria Cross River National Park: Oban Division site factsheet
Sierra Leone Gola Forest Reserve site factsheet
Uganda Budongo Forest Reserve site factsheet
Uganda Bugoma Central Forest Reserve site factsheet
Uganda Bwindi Impenetrable National Park site factsheet
Uganda Kasyoha-Kitomi Forest Reserve site factsheet
Uganda Kibale National Park site factsheet
Uganda Semliki National Park site factsheet
Zambia Hillwood site factsheet
Zambia Jimbe Drainage site factsheet
Zambia Source of the Zambezi site factsheet
Zambia West Lunga National Park and Lukwakwa Game Management Area site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 0 - 0 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Cercococcyx olivinus. Downloaded from http://www.birdlife.org on 19/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/09/2014.

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 Least Concern
Family Cuculidae (Cuckoos)
Species name author Sassi, 1912
Population size Unknown mature individuals
Population trend Stable
Distribution size (breeding/resident) 1,830,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Projected distributions under climate change