• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	C2a(i)	C2a(i); D1

Red List history

Year	Category	Criteria
2020	Endangered	C2a(i)
2016	Endangered	B1ab(i,ii,iii,iv,v)
2013	Endangered	B1ab(i,ii,iii,iv,v)
2012	Endangered	B1ab(i,ii,iii,iv,v)
2008	Endangered	B1a+b(i,ii,iii,iv,v)
2004	Endangered
2000	Endangered
1996	Vulnerable
1994	Vulnerable
1988	Lower Risk/Least Concern

Migratory status	not a migrant	Forest dependency	medium
Land-mass type		Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	15,900 km2	medium
Number of locations	11-100	-
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	300-2900 mature individuals	poor	estimated	2008
Population trend	decreasing	poor	inferred	2014-2024
Rate of change over the past 10 years/3 generations (longer of the two periods)	1-19%	-	-	-
Rate of change over the future 10 years/3 generations (longer of the two periods)	1-19%	-	-	-
Rate of change over the past & future 10 years/3 generations (longer of the two periods)	1-19%	-	-	-
Generation length	3.3 years	-	-	-
Number of subpopulations	2-100	-	-	-
Percentage of mature individuals in largest subpopulation	1-89%	-	-	-

Population justification: According to the species's 'Conservation Management Plan', if the localities at Rio Limpio and Puerto Escondido hold the only remaining populations, the total population can be estimated at no more than c.120-150 pairs. This estimate could be increased to 335-400 pairs if expanded to include potential habitat along the northern slope of the Sierra de Bahorucos, and increased to 1100-1450 pairs if all historical localities have retained viable populations. The population is therefore estimated at 120-1450 pairs, which equates to 360-4350 individuals and 240-2900 mature individuals (Woolaver 2008). Since there have been reliable but unconfirmed records outside the Rio Limpio and Puerto Excondido populations, it is considered unlikely that the actual figure lies at the lower end of this band, so the population has been set to 300-2900 mature individuals.

Trend justification: The species is thought to undergo a moderate decline owing to habitat loss and hunting. The rate of decline has not been quantified, but rates of forest loss within the range are estimated at 6% over ten years (per Tracewski et al. 2016). In view of the additional threats posed by hunting and potentially the use of agrochemicals, the population is thought to decline at <20% over ten years.

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Dominican Republic	extant	native	yes
Haiti	possibly extinct	native	yes

Country/Territory	IBA Name
Dominican Republic	Armando Bermudez National Park
Dominican Republic	Nalga de Maco-Río Limpio
Dominican Republic	Sierra de Bahoruco National Park
Dominican Republic	Sierra de Neyba

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Dry	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Shrubland	Subtropical/Tropical Dry	suitable	resident
Altitude	0 - 900 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Agriculture & aquaculture	Annual & perennial non-timber crops - Small-holder farming	Timing		Scope		Severity		Impact
		Ongoing		Majority (50-90%)		Slow, Significant Declines		Medium Impact: 6
		Stresses Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture	Livestock farming & ranching - Small-holder grazing, ranching or farming	Timing		Scope		Severity		Impact
		Ongoing		Majority (50-90%)		Slow, Significant Declines		Medium Impact: 6
		Stresses Ecosystem degradation, Ecosystem conversion
Biological resource use	Hunting & trapping terrestrial animals - Intentional use (species is the target)	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Species mortality
Biological resource use	Logging & wood harvesting - Unintentional effects: (large scale) [harvest]	Timing		Scope		Severity		Impact
		Unknown		Majority (50-90%)		Slow, Significant Declines		Unknown
		Stresses Ecosystem degradation, Ecosystem conversion
Climate change & severe weather	Habitat shifting & alteration	Timing		Scope		Severity		Impact
		Ongoing		Whole (>90%)		Causing/Could cause fluctuations		Medium Impact: 7
		Stresses Ecosystem degradation
Natural system modifications	Fire & fire suppression - Increase in fire frequency/intensity	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion, Species mortality
Pollution	Agricultural & forestry effluents - Type Unknown/Unrecorded	Timing		Scope		Severity		Impact
		Ongoing		Unknown		Unknown		Unknown
		Stresses Ecosystem degradation

Purpose	Scale
Medicine - human & veterinary	subsistence, national

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Recommended citation
BirdLife International (2024) Species factsheet: Bay-breasted Cuckoo Coccyzus rufigularis. Downloaded from https://datazone.birdlife.org/species/factsheet/bay-breasted-cuckoo-coccyzus-rufigularis on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.