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

Taxonomic note
Alopecoenas xanthonurus (del Hoyo and Collar 2014) was previously placed in the genus Gallicolumba as G. xanthonura.

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.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2016	Near Threatened	A3e; C1
2013	Near Threatened	A3e;C1
2012	Near Threatened	A3e;C1
2008	Near Threatened	A3e; C1
2004	Near Threatened
2000	Lower Risk/Near Threatened
1994	Lower Risk/Near Threatened
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 (km2)	355,000	medium
Number of locations		-
Fragmentation		-

	Estimate	Data quality	Derivation	Year of estimate
No. of mature individuals	unknown	not applicable	not applicable	0
Population trend	Decreasing	poor	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)	20-29	-	-	-
Decline (10 years/3 generation past and future)		-	-	-
Number of subpopulations		-	-	-
Largest subpopulations		-	-	-
Generation length (yrs)	6.6	-	-	-

Population justification: The global population size has not been quantified, but the species is described as rare on Guam, uncommon in the Mariana islands north of Guam and uncommon on Yap (Gibbs et al. 2001).

Trend justification: Recent surveys apparently suggest the species is declining in line with known threats.

Country/Territory	Occurrence status	Presence	Resident	Breeding	Non-breeding	Passage
Guam (to USA)	N	Extant			Yes
Micronesia, Federated States of	N	Extant		Yes
Northern Mariana Islands (to USA)	N	Extant		Yes

Country/Territory	IBA Name
Northern Mariana Islands (to USA)	Rota
Northern Mariana Islands (to USA)	Aguiguan Island and Naftan Rock
Northern Mariana Islands (to USA)	Tinian Island
Northern Mariana Islands (to USA)	Northern Saipan
Northern Mariana Islands (to USA)	Topachau-Susupe-Kagman
Northern Mariana Islands (to USA)	Asuncion Island
Northern Mariana Islands (to USA)	Alamagan Island
Northern Mariana Islands (to USA)	Guguan Island
Northern Mariana Islands (to USA)	Sarigan Island
Micronesia, Federated States of	Yap Island

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

Threat (level 1)	Threat (level 2)	Impact and Stresses
Biological resource use	Gathering terrestrial plants - Unintentional effects (species is not the target)	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%)		Negligible declines		Low Impact: 4
		Stresses Species disturbance, Species mortality
Invasive and other problematic species, genes & diseases	Invasive non-native/alien species/diseases - Boiga irregularis	Timing		Scope		Severity		Impact
		Past, Likely to Return		Minority (<50%)		Rapid Declines		Past Impact
		Stresses Species mortality

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Recommended citation
BirdLife International (2020) Species factsheet: Alopecoenas xanthonurus. Downloaded from http://www.birdlife.org on 04/04/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/04/2020.