LC
Black-billed Cuckoo Coccyzus erythropthalmus



Taxonomy

Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
Cramp, S. and Simmons, K.E.L. (eds). 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.

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

Red List history
Year Category Criteria
2021 Least Concern
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 full migrant Forest dependency Medium
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 7,140,000 medium
Extent of Occurrence non-breeding (km2) 7,920,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 880000 poor inferred 2020
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 - - -
Percentage in largest subpopulation - - -

Population justification: The global population is inferred to number 880,000 mature individuals (Partners in Flight 2020).

Trend justification: The species has been undergoing a large, significant decline between 1970 and 2017 (Partners in Flight 2019). Short-term trends suggest that the population declined by 27% over the past ten years (Pardieck et al. 2018). Population densities however seem to fluctuate considerably over time in relation to caterpillar outbreaks (Hughes 2020, see also long-term data from Pardieck et al. 2018). Given the uncertainty, the species is tentatively considered to be in decline, but the rate of decline is not considered to approach the threshold for Vulnerable over the relevant three generation time periods for this assessment.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Antigua and Barbuda N Extant Yes
Argentina N Extant Yes
Bahamas N Extant Yes
Barbados N Extant Yes
Belize N Extant Yes
Bermuda (to UK) V Extant Yes
Bolivia N Extant Yes
Brazil N Extant Yes
Canada N Extant Yes
Cayman Islands (to UK) N Extant Yes
Colombia N Extant Yes
Costa Rica N Extant Yes
Cuba N Extant Yes
Denmark V Extant
Dominica N Extant Yes
Dominican Republic N Extant Yes
Ecuador N Extant Yes
France V Extant
Germany V Extant
Greenland (to Denmark) V Extant
Guadeloupe (to France) V Extant Yes
Guatemala N Extant Yes
Haiti N Extant Yes
Honduras N Extant Yes
Ireland V Extant
Italy V Extant
Jamaica N Extant Yes
Mexico N Extant Yes
Nicaragua N Extant Yes
Panama N Extant Yes
Paraguay N Extant Yes
Peru N Extant Yes
Portugal V Extant
Puerto Rico (to USA) N Extant Yes
St Lucia N Extant Yes
St Pierre and Miquelon (to France) V Extant
Trinidad and Tobago N Extant Yes
United Kingdom V Extant
USA N Extant Yes Yes
Venezuela N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Canada Norfolk Forest Complex
Canada Carden Plain

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry suitable non-breeding
Forest Subtropical/Tropical Dry suitable breeding
Forest Subtropical/Tropical Moist Lowland suitable non-breeding
Forest Subtropical/Tropical Moist Lowland suitable breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Shrubland Subtropical/Tropical Dry suitable breeding
Shrubland Subtropical/Tropical Moist suitable non-breeding
Shrubland Subtropical/Tropical Moist suitable breeding
Altitude 0 - 2000 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2022) Species factsheet: Coccyzus erythropthalmus. Downloaded from http://www.birdlife.org on 23/05/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/05/2022.