LC
Congo Serpent-eagle Dryotriorchis spectabilis



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 -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 5,670,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
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) 12.9 - - -

Trend justification: The population is declining locally owing to habitat loss through deforestation (Ferguson-Lees and Christie 2001).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Angola Camabatela
Angola Luachimo River (Chitato)
Cameroon Bakossi mountains
Cameroon Banyang Mbo Wildlife Sanctuary
Cameroon Boumba - Bek
Cameroon Dja Faunal Reserve
Cameroon Korup National Park
Cameroon Lobéké National Park
Cameroon Mbam Minkom - Kala
Cameroon Mont Manengouba
Cameroon Mont Nlonako
Cameroon Mount Cameroon and Mokoko-Onge
Cameroon Mount Kupe
Cameroon Nki
Cameroon Yabassi
Central African Republic Dzanga-Ndoki National Park
Congo Conkouati National Park
Congo Dimonika Biosphere Reserve
Congo Lake Télé Community 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 Mount Hoyo Reserve
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
Congo, The Democratic Republic of the Virunga National Park
Côte d'Ivoire Mopri Forest Reserve
Côte d'Ivoire Parc National de Taï et Réserve de faune du N'Zo
Côte d'Ivoire Peko Mountain National Park
Côte d'Ivoire Yapo and Mambo Forest Reserves
Equatorial Guinea Monte Alen National Park
Gabon Gamba Protected Areas Complex
Gabon Ipassa Strict Nature Reserve
Gabon Lopé Faunal Reserve
Gabon Minkébé Forest Reserve
Ghana Kalakpa Resource Reserve
Guinea Massif du Ziama
Liberia Grebo
Liberia Lofa-Gola-Mano Complex
Liberia Nimba mountains
Liberia Wologizi mountains
Liberia Zwedru
Nigeria Biseni forests
Nigeria Cross River National Park (Okwangwo Division) and Mbe Mountains
Nigeria Ebok-Kabaken
Nigeria Upper Orashi forests
Sierra Leone Gola Forests

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Altitude   Occasional altitudinal limits  

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Trivial Recent

Recommended citation
BirdLife International (2017) Species factsheet: Dryotriorchis spectabilis. Downloaded from http://www.birdlife.org on 25/11/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/11/2017.