LC
Yellow-bellied Tyrannulet Ornithion semiflavum



Taxonomy

Taxonomic note

Taxonomic source(s)
AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.
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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.

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 7 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 737,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Stable 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) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 3.6 - - -

Population justification: Partners in Flight estimate the total population to number 50,000-499,999 individuals (A. Panjabi in litt. 2008).

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


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Belize N Extant Yes
Costa Rica N Extant Yes
Guatemala N Extant Yes
Honduras N Extant Yes
Mexico N Extant Yes
Nicaragua N Extant Yes
Panama N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Panama El Chorogo-Palo Blanco
Guatemala Maya - Lacandón
Guatemala Rio La Pasion
Guatemala Chiquibul
Guatemala Sacranix
Guatemala Lachuá - Ik'bolay
Guatemala Candelaria - Campur
Guatemala Guatemalan Caribbean Slope
Belize Rio Bravo CMA Gallon Jug Estate
Belize Northeastern Belize
Belize Maya Mountains and southern reserves
Belize Belize Coastal and near shore islands
Nicaragua Los Guatuzos
Costa Rica Fila Costeña
Costa Rica Sierpe Wetlands and Osa Peninsula
Costa Rica Pacuare, coastal wetlands and Migratory Bird Corridor
Honduras Rio Platano
Honduras Tawahka
Honduras Parque Nacional Patuca
Honduras Pico Bonito

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Artificial/Terrestrial Rural Gardens suitable resident
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable resident
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane suitable resident
Shrubland Subtropical/Tropical Moist suitable resident
Altitude 0 - 1500 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2020) Species factsheet: Ornithion semiflavum. Downloaded from http://www.birdlife.org on 26/09/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/09/2020.