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Scaly-naped Parrot Amazona mercenarius Scientific name definitions

Nigel Collar and Peter F. D. Boesman
Version: 1.0 — Published March 4, 2020
Text last updated April 15, 2017

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Introduction

Although widely distributed, from extreme northwest Venezuela, discontinuously south to Bolivia, with a single record from Argentina, the Scaly-naped Parrot appears to be nowhere common, and seems to have badly affected by deforestation in at least some parts of its range. It mainly inhabits subtropical and temperate forests in the Andes, and this parrot is speculated to perform seasonal or even semi-nomadic movements, presumably in search of suitable food resources. Smaller than the otherwise very similarly plumaged Mealy Parrot (Amazona farinosa), the Scaly-naped Parrot is largely confined to rather higher elevations than the latter, but some overlap might occur. In flight, note the red on the outer tail feathers, while at rest observers should note the scaly appearance to some of the head and body feathers, and the brighter green tone to the plumage of the present species.

Field Identification

33–34 cm; 340 g. Mainly green , darker above, hindcrown, nape and mantle with dark edges to feathers giving slight scaled effect; small whitish bare orbital ring; tail-coverts yellowish green; carpal edge yellowish with some orange-red; speculum red ; flight-feathers tipped dark blue; tail green tipped yellowish, lateral feathers with broad red subterminal bar. Immatures undescribed. Race <em>canipalliata</em> lacks red speculum.

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.

Majority of individuals of this species in Ecuador appear intermediate between nominate race and canipalliata, or possibly represent an undescribed race (1, 2). Specific name as originally described must be treated as a noun, and is therefore invariable (3). Two subspecies currently recognized.

Subspecies


SUBSPECIES

Amazona mercenarius canipalliata Scientific name definitions

Distribution

Santa Marta Mts (N Colombia), Sierra de Perijá and Andes of Venezuela, Colombia and Ecuador.

SUBSPECIES

Amazona mercenarius mercenarius Scientific name definitions

Distribution

E slope of Andes of Peru and Bolivia (to W Santa Cruz); one record from Argentina.

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

Subtropical and temperate cloud forest and other montane formations, often in broken, part-open country with ravines, ridgetops and clearings. Generally 1500–3000 m, but as low as 800 m in E Andes of Peru and Bolivia, and up to treeline at 3600 m in Colombia.

Movement

Some seasonal elevational movement or semi-nomadism noted in W Andes of Colombia; probably true throughout range, as suggested by formation of large roosts in non-breeding season, Bolivia, and by observations of birds flying very high at one site in SW Ecuador.

Diet and Foraging

Apparently no information.

Sounds and Vocal Behavior

A variety of screeches and rolling barks. Calls in flight also quite variable, but often incorporates a barking “cho-chow”.

Breeding

Mar–May in Colombia. Nest and eggs undescribed. Incubation 25–26 days.
Not globally threatened. CITES II. Generally a low-density species and nowhere common; has suffered from deforestation in N of range, notably in Colombia, although still common on Santa Marta massif and resident in Cueva de los Guácharos National Park; highly threatened by habitat loss within restricted range, Venezuela. Little traded owing to confinement to montane forest and low densities.
Distribution of the Scaly-naped Parrot - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Scaly-naped Parrot

Recommended Citation

Collar, N. and P. F. D. Boesman (2020). Scaly-naped Parrot (Amazona mercenarius), 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.scnpar1.01
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