Buff-throated Foliage-gleaners

Buff-throated Foliage-gleaner, Automolus ochrolaemus

Overview ... Alternate (Global) Names ... Subspecies, Ranges and ID

Description ... Calls / Vocalizations ... Diet / Feeding


The Buff-throated Foliage-gleaners (Automolus ochrolaemus) are small birds found in Mexico, Central America and the Amazon basin in South America.


Distribution / Habitat

These Ovenbirds occur naturally in the following countries:

Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Suriname and Venezuela.

They inhabit subtropical or tropical moist lowland forests and subtropical or tropical swamps.

Subspecies and Ranges:

  • Buff-throated Foliage-gleaner (Automolus ochrolaemus ochrolaemus - Tschudi, 1844) - Nominate Form
    • Range: South of the Amazon River in South America - in tropical eastern Peru to central Bolivia (western Pando south to northwestern Santa Cruz) and western Brazil
  • Mexican Buff-throated Foliage-gleaner (Automolus ochrolaemus cervinigularis - P.L. Sclater, 1857)
    • Range: Caribbean lowlands of southern Mexico (Veracruz and south from southern Quintana Roo) to Guatemala, western Belize and Nicaragua
  • Buff-throated Foliage-gleaner (hypophaeus) (Automolus ochrolaemus hypophaeus - Ridgway, 1909)
    • Range: Caribbean slope of Honduras south through eastern Nicaragua to northwestern Panama
  • Buff-throated Foliage-gleaner (amusos) (Automolus ochrolaemus hypophaeus (amusos) - Peters, 1929)
    • Range: Tropical southeastern Guatemala to Honduras
  • Buff-throated Foliage-gleaner (exsertus) (Automolus ochrolaemus exsertus - Bangs, 1901)
    • Range: Pacific slope of southwestern Costa Rica to and Chiriquí in western Panama.
  • Buff-throated Foliage-gleaner (turdinus) (Automolus ochrolaemus turdinus - Pelzeln, 1859)
    • Range: Southeastern Colombia, southern Venezuela (Amazonas, Bolívar) and the Guianas south to eastern Ecuador, northeastern Peru and northern Brazil - north of the Amazon River
  • Buff-throated Foliage-gleaner (auricularis) (Automolus ochrolaemus auricularis - J.T. Zimmer, 1935)
    • Range: West central Brazil (from right bank of Rio Purús to Rio Tapajós) south to northeastern Bolivia (eastern Pando and northeastern Santa Cruz).
  • Buff-throated Foliage-gleaner (pallidigularis) (Automolus ochrolaemus pallidigularis - Lawrence, 1862)
    • Range: Eastern Panama to northern and western Colombia and northwestern Ecuador - south to western Guayas and Los Ríos

Description

Size

Length: 17.5 - 20.5 cm

Weight: 30 - 46 g.

Plumage Details / Adults

Plumage above is dull brown; lower parts are buffy. It is dull brown above with a rufous tail. There is a distinctive dark stripe through the eye. The upper chest is scaled dusky. The rest of the plumage below is dusky buff, fading to pale buff on the under tail. The color of the throat varies regionally from white to buffy.

Other Physical Details

  • Bill fairly long and stout, dark grey above, pale horn below
  • Bold pale eye ring
  • Greyish legs

Gender ID

Males and females look alike.

Juvenile Description

Juveniles look like adults.

Similar Species

The Buff-throated Foliage-cleaner is large than the related Scaly-throated Foliage-gleaner (Anabacerthia variegaticeps). The latter has pale brown cheeks with darker small spots.


Diet / Feeding

Buff-throated Foliagegleaners feed on crickets, spiders, ants, and small vertebrates, such as frogs and small lizards (Anolis limifrons). They often forage in mixed-species flocks on the forest floor, flicking leaves aside with their bills as they search for prey.


Calls / Vocalizations / Sounds

Their vocalizations are described as a falling series a series of nasal notes, "kee-kee-krr-krr", "jee-jee-ju-ju-ja" or "ki-ki-ke-ke-kukukrrr"'; snores or nasal squawks; as well as loud, rough frog-like "croaks".


Alternate (Global) Names

Chinese: ????? ... Czech: Hrncirík plavohrdlý ... Danish: Gulstrubet Løvkæmmer ... Dutch: Bruinkeelbladspeurder ... Finnish: Säämiskäkurkkuorneero ... French: Anabate à gorge fauve, Automolus à gorge ocrée ... German: Braunkehl-Baumspäher, Fahlkehl-Baumspäher ... Italian: Spigolafoglie gola ocracea / golacamoscio / golafulva ... Japanese: kinodohashibutokamadodori ... Norwegian: Blekstrupeløvgransker ... Polish: lisciak okularowy, li?ciak okularowy ... Portuguese: Barranquerno-camurça ... Russian: ??????????????? ?????? ??????? ... Slovak: lístiar poto?ný ... Spanish: Breñero Garganta Pálida, Breñero Gorjipalido, Hojarasquero Gorgicrema / Oliváceo, Hojarrasquero Gorgianteado, Hojarrasquero rojizo, Rascahojas golihabana, Ticotico Gorgiclaro, Trepamusgo de Garganta Pálida ... Swedish: Gulstrupig lövletare


Species Research by Sibylle Johnson

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