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Crested Becard Pachyramphus validus Scientific name definitions

Jason A. Mobley
Version: 1.0 — Published March 4, 2020
Text last updated October 7, 2019

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Introduction

The Crested Becard is a handsome resident of tropical evergreen forest from Eastern Brazil west to Peru and south to Northwestern Argentina.  Male Crested Becards are very dark grey above with a semi-concealed white back patch and pale smokey grey below.  Females have a dark greyish crown that contrasts with the bright rufous upperparts and dull cinnamon underparts.  Not as vocal as other becards, Crested Becards are most often found singly, but at times they will join mixed species flocks.  When foraging these flycatchers perch and scan the surrounding vegetation for prey for 3 or 4 seconds before flying to a new perch.       

Field Identification

17–18·5 cm. Male nominate race is very dark greyish to almost black above , with semi-concealed white patch on back; face more greyish, supraloral spot paler smoky grey, some white on scapulars; below , almost entirely uniform pale smoky greyish with prominent cinnamon tinge, throat a bit paler, more whitish-grey; iris dark brown; bill very stout, upper mandible black, lower mandible medium grey; legs dark grey. Female has dark greyish crown contrasting highly with bright rufous nape, upperparts and tail; cinnamon face, duller buff-greyish supraloral spot, wings mostly dusky but with narrow rufous edging on primaries, rufous inner remiges; yellowish-­cinnamon throat, dull buffyish-cinnamon under­parts . Juvenile presumably resembles female. Race <em>audax</em> male is more uniformly greyish below with only slight cinnamon tinge, more greyish-white throat, darker wings; female has dirtier black or sooty crown, slightly darker wings with more dusky inner remiges and coverts, darker underparts.

Systematics History

Editor's Note: This article requires further editing work to merge existing content into the appropriate Subspecies sections. Please bear with us while this update takes place.

See P. minor (above). Apparently isolated population discovered in 1998 in SE Ecuador (S Zamora-Chinchipe), more than 1000 km N of previously recorded N limit in S Peru, tentatively included in race audax, but may represent an undescribed taxon. Two subspecies currently recognized.

Subspecies


SUBSPECIES

Pachyramphus validus audax Scientific name definitions

Distribution

extreme SE Ecuador (S Zamora-Chinchipe), SE Peru (both slope of Andes S from Ayacucho and Cuzco), NW, C and S Bolivia (La Paz S to Tarija) and NW Argentina (Salta, Tucumán, Catamarca, La Rioja, Córdoba).

SUBSPECIES

Pachyramphus validus validus Scientific name definitions

Distribution

E and S Brazil (Marajó I E to Rio Grande do Norte, S to Mato Grosso and Rio Grande do Sul), E Bolivia (Chiquitos), Paraguay and NE Argentina (S to Santa Fe).

Distribution

Editor's Note: Additional distribution information for this taxon can be found in the 'Subspecies' article above. In the future we will develop a range-wide distribution article.

Habitat

Woodland or montane-forest canopy and borders (especially balsa) and wooded slopes of wet ravines in semi-arid to semi-humid areas. Lowlands to 2000 m, but recorded at 3500 m in Peru (above Urubamba, in Cuzco).

Movement

None known.

Diet and Foraging

Large insects. Usually seen singly, or occasionally among mixed-species flocks. Perches , scanning the vegetation for prey, for c. 3–4 seconds before changing to new perch.

Sounds and Vocal Behavior

Not especially vocal compared with most congeners; typical vocalizations comprised of various squeaky or twittering notes; song a low, clear, vibrating, descending series of 6–8 “dui” whistles, second note highest; typical call a shrill “tsree” whistle; calls of nominate said to be fine rising “tsri”, “si-i-it” and “tuit”.

Breeding

Nests found in Nov and Jan in Argentina. Nest bulky and globular, entrance hole on side or near bottom, made from dead leaves, fibres, moss and other vegetable matter, suspended from tip of branch. Clutch 4 eggs. No other information.

Not globally threatened. Uncommon to fairly common. Rare in Peru, but present in Tambopata-Candamo Reserved Zone. Recent discovery of this species, including an immature male, in Ecuador, in Jan 1998, suggests possibility that range may be more extensive than currently realized; hitherto recorded in this country at only a single locality (Quebrada Honda, in S Zamora-Chinchipe). Elsewhere, occurs in many national parks and other protected areas.
Distribution of the Crested Becard - Range Map
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  • Migration
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Distribution of the Crested Becard

Recommended Citation

Mobley, J. A. (2020). Crested Becard (Pachyramphus validus), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.crebec1.01
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