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

Taxonomic note

The generic name of Ptiliogonys cinereus (del Hoyo and Collar 2016) was previously listed as Ptilogonys following Dowsett & Forbes-Watson (1993); Sibley & Monroe (1990, 1993).

 

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

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

Migratory status	not a migrant	Forest dependency	medium
Land-mass type		Average mass	34 g

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,200,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	500000-4999999 mature individuals	poor	suspected	2019
Population trend	decreasing	-	suspected	-
Generation length	3.45 years	-	-	-

Population justification: The global population is suspected to number 500,000-4,999,999 mature individuals (Partners in Flight 2019).

Trend justification: The population is undergoing a small or non-significant decline (Partners in Flight 2019).

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Guatemala	extant	native	yes
Mexico	extant	native	yes

Country/Territory	IBA Name
Guatemala	Antigua Guatemala
Guatemala	Atitlan
Guatemala	Cerro El Amay
Guatemala	Cerro Miramundo
Guatemala	Cuchumatanes
Guatemala	Cuilco
Guatemala	Sacranix
Guatemala	Santiaguito Volcano
Guatemala	Sierra de las Minas - Motagua
Guatemala	Yalijux
Mexico	Sierra de Zongolica-Tenango
Mexico	Tlanchinol y Bosques de Montaña del Noreste de Hidalgo

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Shrubland	Subtropical/Tropical High Altitude	major	resident
Altitude	1000 - 3500 m	Occasional altitudinal limits

Purpose	Scale
Pets/display animals, horticulture	subsistence, national

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Recommended citation
BirdLife International (2024) Species factsheet: Grey Silky-flycatcher Ptiliogonys cinereus. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-silky-flycatcher-ptiliogonys-cinereus on 23/11/2024.
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 23/11/2024.