LC
Grey-breasted Flycatcher Lathrotriccus griseipectus



Taxonomy

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. 2005 and updates. A classification of the bird species of South America. Available at: https://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
2024 Least Concern
2016 Vulnerable A2c+3c+4c;B1ab(i,ii,iii,iv,v);C2a(i)
2012 Vulnerable A2c+3c+4c;B1ab(i,ii,iii,iv,v);C2a(i)
2008 Vulnerable A2c; A3c; A4c; B1a+b(i,ii,iii,iv,v); C2a(i)
2004 Vulnerable
2000 Vulnerable
1996 Vulnerable
1994 Vulnerable
1988 Threatened
Species attributes

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

Estimate Data quality
Extent of Occurrence (breeding/resident) 205,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 10000-19999 mature individuals poor suspected 2023
Population trend decreasing poor suspected 2017-2027
Rate of change over the past 10 years/3 generations (longer of the two periods) 1-9% - - -
Rate of change over the future 10 years/3 generations (longer of the two periods) 1-9% - - -
Rate of change over the past & future 10 years/3 generations (longer of the two periods) 1-9% - - -
Generation length 2.67 years - - -
Number of subpopulations 2-100 - - -
Percentage of mature individuals in largest subpopulation 1-89% - - -

Population justification: Generally a rare and localised species (Freile and Restall 2018, eBird 2023), favouring humid patches within deciduous and semi-deciduous forests but it is noted that it can be locally fairly common to very common (Farnsworth et al. 2020). The highest densities have been reported from Jauneche/Bosque Protector Pedro Franco Dávila, a small remnant forest block (138 hectares), where up to three pairs per hectare were found in a rapid assessment in July 1991 (Parker and Carr 1992). However, this is effectively the only such remnant in this entire region. Far more typical are reports from Cerro Blanco, where Christmas Bird Count effort over 800 hectares annually recorded only 1-2 individuals, roughly 0.25 per square kilometre (E. von Horstman in litt. 2008). The range has become much more completely known in the past decade with the growth of citizen science data and development of national extinction risk status assessments. For the latter approximate population sizes have been generated for Peru at between 2,500 and 10,000 mature individuals (SERFOR 2018), but no estimate was given for Ecuador (per Freile et al. 2019).
Under a precautionary approach, the global population is suspected to number 10,000-19,999 mature individuals, but an accurate quantification is urgently required.

Trend justification: This species is suspected to be declining in numbers, in line with habitat loss within its range. Tree cover is lost at a rate of 2% over ten years (Global Forest Watch 2023, using Hansen et al. [2013] data and methods disclosed therein). Even considering the species' dependence on humid forests, and accounting for additional impacts of habitat degradation and fragmentation, population declines are likely slow. They are here tentatively placed in the band 1-9% over ten years.


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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Ecuador Bosque Protector Cerro Blanco
Ecuador Bosque Protector Chongón-Colonche
Ecuador Bosque Protector Jatumpamba-Jorupe
Ecuador Bosque Protector Molleturo Mullopungo
Ecuador Cañón del río Catamayo
Ecuador Cazaderos-Mangaurquillo
Ecuador Centro Científico Río Palenque
Ecuador Cordillera El Bálsamo
Ecuador Estación Científica Pedro Franco Dávila
Ecuador La Tagua
Ecuador Parque Nacional Machalilla y alrededores
Ecuador Reserva Biológica Tito Santos
Ecuador Reserva Buenaventura
Ecuador Reserva Ecológica Arenillas
Ecuador Reserva Ecológica Comunal Loma Alta
Ecuador Reserva Natural Tumbesia-La Ceiba-Zapotillo
Ecuador Tambo Negro
Peru Bosques Secos de Salitral - Huarmaca - Olmos
Peru Coto de Caza El Angolo
Peru Laquipampa
Peru Parque Nacional Cerros de Amotape

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry major resident
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane suitable resident
Altitude 0 - 2340 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Small-holder farming Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching - Small-holder grazing, ranching or farming Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
None
Agriculture & aquaculture Livestock farming & ranching - Small-holder grazing, ranching or farming Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation
Natural system modifications Fire & fire suppression - Increase in fire frequency/intensity Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem conversion

Recommended citation
BirdLife International (2024) Species factsheet: Grey-breasted Flycatcher Lathrotriccus griseipectus. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-breasted-flycatcher-lathrotriccus-griseipectus on 23/12/2024.
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 23/12/2024.