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Hylopezus auricularis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AVES PASSERIFORMES FORMICARIIDAE

Scientific Name: Hylopezus auricularis
Species Authority: (Gyldenstolpe, 1941)
Common Name(s):
English Masked Antpitta
Taxonomic Notes: Hylopezus macularius (Sibley and Monroe 1990, 1993) has been split into H. macularius and H. auricularis following SACC (2005).

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Contributor(s): Hornbuckle, J. & Mayer, S.
Facilitator/Compiler(s): Capper, D., Pople, R., Sharpe, C J, Stuart, T., Symes, A.
Justification:
This species is currently known from a very small area, and thus qualifies as Vulnerable. Little is known about its requirements, and it cannot be considered secure. However, surveys may find the species to be more widespread, resulting in a downlisting to Near Threatened.

Geographic Range [top]

Range Description: Hylopezus auricularis is currently known from five sites in the lower río Beni drainage, north Bolivia. Four specimens were collected at Victoria, Pando, in 1937, one was observed between Lago Tumi Chucua and the río Beni in 1976, it was tape-recorded at Remanso on the río Madre de Dios in 1991 (S. Mayer in litt. 2004) and it was frequently seen near Riberalta, on the east bank of the río Beni, Beni, in 1994, where a specimen was collected in 1995 (Maijer 1998), with another three obtained at nearby Hamburgo in 1998 (Maillard et al. 2008). A pair was observed foraging at a fifth locality near Las Piedras, between the río Beni and Puerto Gonzalo Moreno, Pando in September 2001 (Maillard et al. 2008).

Countries:
Native:
Bolivia, Plurinational States of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population size is preliminarily estimated to fall into the band 2,500-9,999 mature individuals. This equates to 3,750-14,999 individuals in total, rounded here to 3,500-15,000 individuals. Its population may be considerably larger, if the species's range proves to be more expansive than first thought.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The site near Riberalta is a matrix of clay-pits (for brick-making), grassy open spaces and low secondary forest, with this species apparently occurring in low-lying, muddy forest and thickets (Maijer 1998). Most records are from thickets adjacent to open areas, possibly because birds move from the interior to the forest edge to sing (Maijer 1998).

Systems: Terrestrial

Threats [top]

Major Threat(s): It has apparently adapted well to heavy habitat disturbance by humans (Maijer 1998). However, knowledge of its distribution and ecological requirements is very limited, and it cannot at present be considered secure (Maijer 1998).

Conservation Actions [top]

Conservation Actions: Conservation Actions Underway
None is known.

Conservation Actions Proposed
Survey suitable habitats in north Bolivia (S. Mayer in litt. 1999). Conduct research into the species's ecology (S. Mayer in litt. 1999). Designate a protected area for the species (J. Hornbuckle in litt. 1999).


Citation: BirdLife International 2012. Hylopezus auricularis. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 23 November 2014.
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