Family Ovenbirds (Furnariidae)

Least Concern

Plain Thornbird (Phacellodomus inornatus)


Taxonomy

French: Synallaxe blafard German: Blasskehl-Bündelnister Spanish: Espinero liso
Taxonomy:

Phacellodomus inornatus

Ridgway

, 1887,

Caracas, Venezuela

.

Usually considered conspecific with P. rufifrons, but differs in absence (inornatus) or vestigial presence as slight rufous tinge (castilloi) of bold rufous forehead to mid-crown (3); absence (or virtual absence) of whitish lores and supercilium (2); higher-pitched song, involving higher maximum frequency (2) and frequency range (2)#R. Two subspecies recognized.

Subspecies and Distribution
  • P. i. inornatus Ridgway, 1887 – NC Venezuela (SE Falcón, Yaracuy and Carabobo E to Miranda).
  • P. i. castilloi Phelps, Jr & Aveledo, 1987 – W & C Venezuela (Lara, Portuguesa, Barinas and Apure E to Sucre and Monagas) and NE Colombia (Boyacá, Arauca, Casanare, Vichada, NE Meta).
  • Descriptive notes

    16–17 cm; 21·5–31 g. Rather plain, nondescript, arboreal furnariid. Sexes alike. Juvenile has upperparts mottled. Adult lacks rufous on forecrown and whitish lores and... read more

    Voice

    Song a bright, chippery and energetic series of loud “chit” or “chee” notes, often given in duet,... read more

    Habitat

    Arid lowland scrub, tropical deciduous forest, secondary forest, gallery woodland, llanos... read more

    Food and feeding

    Diet not well known beyond arthropods of all stages (adults and larvae), and small numbers of spiders. Usually in pairs, or in groups of 3–... read more

    Breeding

    In Venezuela season mostly Jul–Nov, eggs in Apr–Jul and nestlings in May–Sept, at least two broods per year; in Colombia, in breeding... read more

    Movements

    Resident.

    Status and conservation

    Not globally threatened (Least Concern). Common to fairly common in most parts of range, and is tolerant of at least moderate anthropogenic habitat disturbance.

    Recommended citation

    del Hoyo, J., Collar, N. & Kirwan, G.M. (2018). Plain Thornbird (Phacellodomus inornatus). 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/1343656 on 18 November 2018).