Data Zone
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 has not been quantified, 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. The species is described as uncommon to fairly common and local, but may be overlooked (Stotz et al. 1996, Marantz et al. 2020).
Trend justification
The population trend has not been investigated, but declines are suspected on the basis of logging and fragmentation of forests within the range. Tree cover loss amounts to 8-11% over three generations (13.2 years; Global Forest Watch 2023, using Hansen et al. [2013] data and methods disclosed therein). Due to its sensitivity to the loss and degradation of its habitat population declines may be steeper than the rate of tree cover loss suggests, though overall declines are not thought to be especially rapid (Aleixo et al. 2023, R. Subira in litt. 2024). Tentatively, declines are here placed in the band 10-19% over three generations.
Dendrocolaptes hoffmannsi is a little-known species endemic to south Amazonian Brazil. It ranges from Rio Madeira east to Rio Tapajós and its headwaters at Rio Juruena, and south at least as far as Rondônia and south-west Mato Grosso.
This is a species of humid lowland forest up to c.300 m, occurring both in "terra firme" forest (with no flooding) and on floodplains. Although it prefers the interior of primary forest, it can sometimes visit edges and old secondary growth. It presumably feeds mostly on arthropods. Breeding likely takes place during the dry season in September-November. Its ecology is otherwise not well known (del Hoyo et al. 2003, Marantz et al. 2020).
The primary threat to this species is accelerating deforestation within its range in the Amazon basin due to the expansion of the agricultural frontier, selective logging and fires (Soares-Filho et al. 2006, Bird et al. 2011, A. Lees in litt. 2011, Aleixo et al. 2023, R. Subira in litt. 2024). It is thought to be highly sensitive to human disturbance, and its natural rarity and preference for primary forest are likely to make it particularly susceptible to threats (del Hoyo et al. 2003, A. Lees in litt. 2011).
Conservation Actions Underway
The species occurs in several protected areas across its range.
Conservation Actions Proposed
Survey to quantify the population size. Research the species' ecology and behaviour. Monitor the population trend. Monitor rates of habitat loss.
Expand the protected area network to effectively protect key sites. Effectively manage 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).
28-29 cm. Large, brown woodcreeper. Has a long tail and a medium-length straight bill. Dark, buffy face with scaling effect. Rufescent forehead and crown; nape and rest of upperparts rufous-brown. Throat and underparts are dull buffy with an olive tinge. Voice A rolling series of around 20 similar notes, usually given at dawn or dusk.
Text account compilers
Hermes, C.
Contributors
Butchart, S., Ekstrom, J., Khwaja, N., Lees, A., Sharpe, C.J., Symes, A. & Subirá, R.
Recommended citation
BirdLife International (2024) Species factsheet: Hoffmanns's Woodcreeper Dendrocolaptes hoffmannsi. Downloaded from
https://datazone.birdlife.org/species/factsheet/hoffmannss-woodcreeper-dendrocolaptes-hoffmannsi 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.