Grey Silky-flycatcher (Ptiliogonys cinereus)

Grey Silky-flycatcher Ptiliogonys cinereus

Current view: Data table and detailed info

Taxonomy

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.

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

Distribution

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

Population and trend

	Value	Data quality	Derivation	Year of estimate
Number of mature individuals	500000-4999999	poor	suspected	2019
Population trend	decreasing		suspected	-
Generation length (years)	3.45	-	-	-

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 distribution

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

Important Bird and Biodiversity Areas (IBA)

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

Habitats & altitude

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

Utilisation

Purpose	Primary form used	Life stage used	Source	Scale	Level	Timing
Pets/display animals, horticulture	-	-			non-trivial	recent

Recommended citation
BirdLife International (2023) Species factsheet: Ptiliogonys cinereus. Downloaded from http://datazone.birdlife.org/species/factsheet/grey-silky-flycatcher-ptiliogonys-cinereus on 26/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 26/09/2023.