About Pteroglossus beauharnaisii Wagler, 1831
Scientific Nomenclature and Size
The curl-crested aracari, scientifically named Pteroglossus beauharnaisii Wagler, 1831, is 42 to 46 cm (17 to 18 in) long and weighs 164 to 280 g (5.8 to 9.9 oz).
Head Plumage Namesake
It gets its common English name from unique curly, shiny black feathers on the top of its head and nape, which resemble pieces of plastic or enamel.
Sexual Dimorphism
Males and females look similar, except the female has a shorter bill.
Bill Base Marking
The bill has a brown-orange line at its base.
Lower Mandible Coloration
The lower mandible is ivory, turning orangey at the tip.
Upper Maxilla Markings
The upper maxilla has an orangey culmen and a maroon stripe along its lower section that is wider at the base. The rest of the maxilla between these features is green or bluish.
Bill Tomium Features
Indistinct ivory-colored "teeth" run along the bill's tomium.
Head Bare Skin and Throat Plumage
Bare blue skin surrounds the bird's eye, and its cheeks and throat are whitish with black speckles.
Upperparts Coloration
Its upper back and rump are red, and the rest of its upperparts are dark green.
Underparts Coloration
Its underparts are yellow, with a wide red band across the lower breast. Its undertail coverts may have a red wash.
Immature Plumage
Immature birds are duller versions of adults.
General Distribution Range
The curl-crested aracari is distributed in the southwestern Amazon Basin, south of the Amazon River.
Eastern and Northern Range Limits
Its range stretches from northern Peru south of the Marañón River east into western Brazil to the Madeira River, and southeast to the Xingu River.
Southern Range Limits
From Peru, the range also extends south into northern and central Bolivia, and into Brazil as far as northern Mato Grosso.
Habitat Preferences
This species lives in the interior, clearings, and edges of wet forest, including both well-drained and swampy forest.
Elevation Range
It mostly occurs at elevations below 500 m (1,600 ft), but has been found as high as 900 m (3,000 ft) near the Andes.