Data Zone
Justification of Red List category
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be decreasing, although the rate of reduction does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size may be moderately small to large, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
Population justification
The global population size has not been quantified, but the species has been described as 'fairly common' (Stotz et al. 1996). However, based on its restricted range and observational records (per eBird 2021), it is suspected that the population may be moderately small; it is here placed in the band 10,000-19,999 mature individuals.
Trend justification
The species is suspected to be undergoing a slow decline due to habitat loss and degradation. Tree cover loss within the species range equates to c. 4% over ten years (Global Forest Watch 2021, using Hansen et al. [2013] data and methods disclosed therein). The species is however restricted to the elevational belt across the Andean foothills (Snow 2020) and is highly dependent on forest cover. Therefore, due to its possible niche habitat requirements, the species may undergo declines beyond the rate of tree cover loss alone, and as such, it is assumed that the population is undergoing a decline of 1-9% over 10 years.
Lepidothrix isidorei occurs on the eastern slopes of the Andes in north-west South America (del Hoyo et al. 2004). The nominate subspecies isidorei occurs in Boyacá, Meta and Cauca departments, Colombia, where it is considered rare. It is more common in east Ecuador, especially in the río Bombuscaro area of Podocarpus National Park (del Hoyo et al. 2004, Restall et al. 2006). Subspecies leucopygia is rare in north Peru, occurring in San Martín and northern Huánuco (del Hoyo et al. 2004).
This is a humid forest species of the Andean foothills, occurring at 500-1,700 m elevation (del Hoyo et al. 2004).
The primary threat to this species is considered to be accelerating deforestation in the Amazon basin as land is cleared for cattle ranching and soy production, facilitated by expansion of the road network (Soares-Filho et al. 2006, Bird et al. 2011). However, recent deforestation analyses has shown that forest loss within the species range has been low; tree cover loss amounts to c. 4% over ten years (Global Forest Watch 2021, using Hansen et al. [2013] data and methods disclosed therein).
Conservation Actions Underway
None are known.
Conservation Actions Proposed
Quantify the population size. Monitor the population trend.
Expand the protected area network to effectively protect key sites. Effectively resource and manage existing and new protected areas, utilising emerging opportunities to finance protected area management with the joint aims of reducing carbon emissions and maximizing biodiversity conservation. Incentivise conservation on private lands through expanding market pressures for sound land management and preventing forest clearance on lands unsuitable for agriculture (Soares-Filho et al. 2006).
7-8 cm. Small, dimorphic manakin. Male has a shiny white cap, with an azure rump and uppertail-coverts; the rest of the plumage is black. Female in contrast is mostly green, with a yellowish grey abdomen.
Text account compilers
Fernando, E.
Contributors
Butchart, S., Ekstrom, J., Khwaja, N., Lees, A. & Symes, A.
Recommended citation
BirdLife International (2024) Species factsheet: Blue-rumped Manakin Lepidothrix isidorei. Downloaded from
https://datazone.birdlife.org/species/factsheet/blue-rumped-manakin-lepidothrix-isidorei 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.