Family Ovenbirds (Furnariidae)

Least Concern

Olive-backed Foliage-gleaner (Automolus infuscatus)


Taxonomy

French: Anabate olivâtre German: Olivrücken-Baumspäher Spanish: Ticotico oliváceo
Taxonomy:

Anabates infuscatus

P. L. Sclater

, 1856,

eastern Peru

.

Until recently considered conspecific with A. paraensis (which see). Races S of R Amazon significantly larger in measurements than those N of it, but none is diagnosable on biometrics alone. Four subspecies currently recognized.

Subspecies and Distribution
  • A. i. infuscatus (P. L. Sclater, 1856) – Olive-backed Foliage-gleaner – SE Colombia (S from S Meta and E Guainía), E Ecuador, E Peru and N Bolivia (W Pando, extreme N La Paz).
  • A. i. purusianus Todd, 1948 – W Brazil S of Amazon (E to, presumably, left bank of R Madeira).
  • A. i. badius J. T. Zimmer, 1935 – E Colombia (Vichada), S Venezuela (W Bolívar, Amazonas) and NW Brazil (E, N of R Amazon, to lower R Negro).
  • A. i. cervicalis (P. L. Sclater, 1889) – Olive-capped Foliage-gleaner – E Venezuela (E Bolívar), the Guianas and N Brazil (lower R Negro E to Amapá).
  • Descriptive notes

    18–19 cm; 26·9–39·8 g. Rather plain, dark foliage-gleaner with striking white throat. Nominate race has blackish-brown face, inconspicuous dull buff... read more

    Voice

    Song a loud, fast, staccato, slightly descending rattle, “tchi-r-r-r-r-r-r-r-r-r-r-r-r-r-r-r... read more

    Habitat

    Tropical lowland evergreen forest, mainly terra firme and transitional forest, locally in... read more

    Food and feeding

    Diet not well known, but no known differences from A. paraensis. Forages singly or in pairs, usually in mixed-species flocks (... read more

    Breeding

    Active nest in Mar in French Guiana, with birds in breeding condition in Feb and May; in breeding condition in late Jul and fledgling in... read more

    Movements

    Resident.

    Status and conservation

    Not globally threatened (Least Concern). Common to fairly common in most of its range. Density estimated at 3–12 birds/km² in transitional forest in SE Peru and 9... read more

    Recommended citation

    Remsen, J.V., Jr & Kirwan, G.M. (2019). Olive-backed Foliage-gleaner (Automolus infuscatus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/56572 on 24 June 2019).