Justification of Red List Category
With the use of a Minimum Convex Polygon, this species has a very large Extent of Occurrence, 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 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). 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). Therefore, it does not approach the threshold for Vulnerable under any criterion and is now listed as Least Concern.
The global population size has not been quantified, but the species is described as locally common to fairly common (del Hoyo et al. 2007).
This species is suspected to be declining slowly, as a result of habitat destruction in many parts of its range.
Garrulax milleti is confined to the Da Lat and Di Linh plateaus, Vietnam (locally common), and the Kon Tum plateau of Vietnam (fairly common around Ngoc Linh) and Laos (locally fairly common in Xe Kong and Attapu provinces). It is locally fairly common in suitable habitat across this range, and density estimates suggest that Chu Yang Sin Nature Reserve alone could hold 7,690 ± 1,960 individuals (Hill et al. 2001).
This species is usually found in flocks in dense undergrowth of broadleaved evergreen forest between 800 and 1,650 m, although it has been found in remnant patches of forest in Laos.
As this species occurs at relatively low altitudes, it is vulnerable to habitat destruction through agricultural encroachment, charcoal burning and fuelwood collection, particularly as the human population of the area is increasing, partly because of government re-settlement programmes.
Conservation Actions Underway
It occurs in a few protected areas, including Dong Ampham NBCA (Laos), Ngoc Linh, Kon Ka Kinh and Kon Cha Rang, Chu Yang Sin nature reserves (Vietnam).
Text account compilers
Westrip, J., Taylor, J., Gilroy, J., Benstead, P.
BirdLife International (2022) Species factsheet: Garrulax milleti. Downloaded from http://www.birdlife.org on 28/06/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 28/06/2022.