LC
Yellow-bellied Chat-tyrant Silvicultrix diadema



Taxonomy

Taxonomic note
Silvicultrix diadema (del Hoyo and Collar 2016) was previously listed as Ochthoeca diadema.

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.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. 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
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 -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 1,020,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend stable - suspected -
Generation length 3.6 years - - -

Population justification: The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. (1996).

Trend justification: This population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Colombia extant native yes
Ecuador extant native yes
Peru extant native yes
Venezuela extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Ecuador Cordillera de Huacamayos-San Isidro-Sierra Azul
Ecuador Cordillera del Cóndor
Ecuador El Ángel - Cerro Golondrinas and surrounding areas
Ecuador Mindo and western foothills of Volcan Pichincha
Ecuador Intag-Toisán
Ecuador Maquipucuna-Río Guayllabamba
Ecuador Montañas de Zapote-Najda
Ecuador Parque Nacional Llanganates
Ecuador Parque Nacional Podocarpus
Ecuador Parque Nacional Sangay
Ecuador Parque Nacional Cayambe-Coca
Ecuador Río Toachi-Chiriboga
Peru Cerro Chinguela
Venezuela Dinira National Park and surrounding areas (Refugio de Fauna Silvestre y Reserva de Pesca Parque Nacional Dinira IBA)
Venezuela Parque Nacional El Ávila and surrounding areas
Venezuela Parque Nacional El Tamá
Venezuela Parque Nacional Guaramacal
Venezuela Henri Pittier National Park (Parque Nacional Henri Pittier IBA)
Venezuela Parque Nacional Macarao
Venezuela Parque Nacional Páramos Batallón y La Negra and surrounding areas
Venezuela Parque Nacional Perijá
Venezuela Monumento Natural Pico Codazzi
Venezuela Zona Protectora San Rafael de Guasare
Venezuela Parque Nacional Sierra Nevada
Ecuador Reserva Ecológica Los Illinizas y alrededores
Colombia Bosques de la Falla del Tequendama
Colombia Cuchilla de San Lorenzo
Colombia Valle del Río Frío
Colombia Puracé Natural National Park
Colombia Parque Nacional Natural Chingaza and surroundings
Colombia Alto Quindío
Colombia Cuenca del Río Toche
Colombia Reserva Hidrográfica, Forestal y Parque Ecológico de Río Blanco
Colombia Reserva Natural Ibanasca
Colombia Reserva Natural Tambito
Colombia Reservas Comunitarias de Roncesvalles
Colombia Munchique Natural National Park and southern extension

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Altitude 1700 - 3100 m Occasional altitudinal limits 800 - 3150 m

Recommended citation
BirdLife International (2024) Species factsheet: Silvicultrix diadema. Downloaded from https://datazone.birdlife.org/species/factsheet/yellow-bellied-chat-tyrant-silvicultrix-diadema on 22/02/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org on 22/02/2024.