LC
Blue Seedeater Amaurospiza moesta



Taxonomy

Taxonomic note

Amaurospiza moesta and A. relicta (del Hoyo and Collar 2016) were previously lumped within A. moesta, which was previously split into A. moesta, A. concolor and A. carrizalensis following following SACC (2005 and updates); Sibley and Monroe (1990, 1993); Stotz et al. (1996).

 

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
2018 Least Concern
2016 Least Concern
2012 Not Recognised
2008 Not Recognised
2004 Not Recognised
2000 Not Recognised
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status not a migrant Forest dependency high
Land-mass type Average mass 14 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 13,600,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing poor suspected 1998-2008
Generation length 3.8 years - - -

Population justification: The global population size has not been quantified, but is suspected to be large.

Trend justification: The population trend is not known, but the population is suspected to be declining due to habitat loss.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Argentina extant native yes
Brazil extant native yes
Colombia extant native yes
Ecuador extant native yes
Honduras extant native yes
Mexico extant native yes
Nicaragua extant native yes
Panama extant native yes
Paraguay extant native yes
Peru extant native yes
Venezuela extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Alta cuenca del arroyo Alegría
Argentina Cerro Mártires y Barra Santa María
Argentina Corredor Urugua-í Foerster
Argentina Dos de Mayo
Argentina Extremo noreste de Corrientes
Argentina Parque Nacional Iguazú y alrededores
Argentina Parque Provincial Cruce Caballero
Argentina Parque Provincial Guardaparque Horacio Foerster
Argentina Parque Provincial Salto Encantado del Valle del Cuñá-Pirú y alrededores
Argentina Parque Provincial Urugua-í
Argentina Parque Provincial Uruzú y Reserva Forestal San Jorge
Argentina Reserva de la Biósfera Yabotí
Argentina Reserva Privada Yaguaroundí
Argentina San Antonio
Argentina San Pedro
Argentina Sierra Morena
Brazil Parque Estadual do Rio Guarani
Paraguay Bosque Mbaracayú
Paraguay Estancia Itabó
Paraguay Estancia Muxfeldt
Paraguay Limoy
Paraguay Parque Nacional Caazapá
Paraguay Parque Nacional San Rafael
Paraguay Reserva Itabó - Itaipú
Paraguay Serranías de San Joaquín
Paraguay Tapyta
Venezuela Caruachi

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane major resident
Altitude 0 - 1600 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Agro-industry farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching - Agro-industry grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Wood & pulp plantations - Agro-industry plantations Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Logging & wood harvesting - Unintentional effects: (large scale) [harvest] Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Residential & commercial development Commercial & industrial areas Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Transportation & service corridors Roads & railroads Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Species disturbance, Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2024) Species factsheet: Blue Seedeater Amaurospiza moesta. Downloaded from https://datazone.birdlife.org/species/factsheet/blue-seedeater-amaurospiza-moesta on 22/12/2024.
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 22/12/2024.