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Black-thighed Puffleg Eriocnemis derbyi

IUCN Red List Criteria

Near Threatened (criteria nearly met) A2c+3c+4c;B1ab(i,ii,iii,iv,v) 

IUCN Red List history

Year Category
2012 Near Threatened
2008 Near Threatened
2004 Near Threatened
2000 Lower Risk/Near Threatened
1994 Lower Risk/Near Threatened
1988 Threatened

Species attributes

Migratory status altitudinal migrant Forest dependency Medium
Land mass type continent
Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 24,500 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Decreasing poor -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.2 - - -
Population justification: The global population size has not been quantified, but this species is described as uncommon and patchily distributed, and uncommon to locally fairly common in Ecuador.
Trend justification: A moderately rapid and on-going population decline is suspected owing to habitat loss.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Colombia Native Extant       Yes
Ecuador Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Colombia Alto Quindío site factsheet
Colombia Bosques del Oriente de Risaralda site factsheet
Colombia Cuenca del Río Toche site factsheet
Colombia Finca Paraguay site factsheet
Colombia Lago Cumbal site factsheet
Colombia Lagunas Bombona y Vancouver site factsheet
Colombia Páramos y Bosques Altoandinos de Génova (part of Loros Andinos Natural Reserve AZE) site factsheet
Colombia Puracé (Parque Nacional Natural Puracé IBA) site factsheet
Colombia Reserva Hidrográfica, Forestal y Parque Ecológico de Río Blanco site factsheet
Colombia Reserva Natural Ibanasca site factsheet
Colombia Reserva Natural Semillas de Agua site factsheet
Colombia Reservas Comunitarias de Roncesvalles (part of Loros Andinos Natural Reserve AZE) site factsheet
Colombia Santuario de Fauna y Flora Galeras site factsheet
Ecuador El Ángel-Cerro Golondrinas site factsheet
Ecuador Estación Biológica Guandera-Cerro Mongus site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Pastureland suitable resident
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest major resident
Forest Subtropical/Tropical Moist Montane major resident
Shrubland Subtropical/Tropical High Altitude major resident
Altitude 2500 - 3600 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 Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Ecosystem degradation
Biological resource use Logging & wood harvesting / Unintentional effects: (large scale) [harvest] Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Eriocnemis derbyi. Downloaded from http://www.birdlife.org on 17/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/09/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Near Threatened
Family Trochilidae (Hummingbirds)
Species name author (DeLattre & Bourcier, 1846)
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 24,500 km2
Country endemic? No
Links to further information
- Summary information on this species