First Described (Guide)
Isler, Alvarez Alonso, Isler & Whitney, 2001
Habitat
Dense, stunted terra firme forest on white sandy soil, with an understorey dominated by the saplings of white sand specialists. From sea-level - 150 m.
Allpahuayo Antbird (Percnostola arenarum) [XC270889]
by Peter Boesman from Allpahuayo - Mishana Reserve, Loreto, Peru (song)
Allpahuayo Antbird (Percnostola arenarum) [XC38982]
by Peter Boesman from Tierra Blanca, Loreto, Peru (song)
Subspecies
Forms a superspecies with Black-headed Antbird (Percnostola rufifrons), the two possibly not closely related to other species currently placed in genus.
No subspecies.
Similar Species
Male lacks black crown of Black-headed Antbird (Percnostola rufifrons), and female shows strong contrast between reddish-brown of majority of the underparts and clear white belly patch, chin and throat.
References
See References.