Justification of Red List category
This species has a very 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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to 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 population size has not been estimated directly, but the species is described as not rare near Boim (del Hoyo et al. 2002). Based on the minimum and first quartile population densities of a congener (Capito niger; 2-7.7 individuals per km2), the area of forest with at least 50% canopy cover in the species's range in 2010 (113,000km2; Global Forest Watch 2020) and assuming 25-45% of the range is occupied, the population size is tentatively suspected to be in the range 56,500 - 396,630 individuals, roughly equating to 37,667 - 264,420 mature individuals, rounded here to 37,000 - 265,000 mature individuals.
Trend justification
Over ten years from 2009-2019, approximately 3% of tree cover with at least 50% canopy cover was lost within the species's range (Global Forest Watch 2020). The population size is therefore precautionarily suspected to be declining. An analysis of the impact of disturbance on forest species in Pará found that in private lands or sustainable-use reserves, the impact of disturbance on biodiversity was equivalent to that of an additional 51% loss of forest (Barlow et al. 2016). Assuming that the population size is proportional to the area of tree cover, and taking into account the potential additional impact of disturbance, the population size is suspected to have undergone a reduction of 3-6% over the past decade.
In the four years from 2016-2019, approximately 2% of tree cover within the species's range was lost (Global Forest Watch 2020). If this rate of tree cover loss were to occur over ten years, this would equate to a loss of 6%. Assuming that the population size is proportional to the area of tree cover, and that disturbance may increase the impact of deforestation by up to 51%, a population reduction of 3-8% is suspected over the next decade.
Capito brunneipectus is endemic to Brazil, where it is found only in the interfluve of the lower Madeira and Tapajós rivers, in the states of Amazonas and Pará.
It is found in the canopies of wet forest.
Text account compilers
Wheatley, H.
Contributors
Palmer-Newton, A., Butchart, S., Hermes, C. & Ekstrom, J.
Recommended citation
BirdLife International (2024) Species factsheet: Brown-chested Barbet Capito brunneipectus. Downloaded from
https://datazone.birdlife.org/species/factsheet/brown-chested-barbet-capito-brunneipectus on 23/11/2024.
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 23/11/2024.