About Celeus lugubris (Malherbe, 1851)
Taxonomy and Naming
The pale-crested woodpecker (scientific name Celeus lugubris, originally described by Malherbe in 1851) measures about 23 to 24 cm (9.1 to 9.4 in) in length.
Length and Weight
The nominate subspecies C. l. lugubris weighs 115 to 130 g (4.1 to 4.6 oz), while subspecies C. l. kerri weighs 112 to 157 g (4.0 to 5.5 oz).
Sexual Dimorphism
For both subspecies, males have a wide bright red malar area and cheek, and sometimes red extending around the eye; in females, this area has brown barring or a scaly brown pattern instead.
Nominate Subspecies Head Features
In the nominate subspecies, adult individuals of both sexes have a pale blond to buffish head, which includes the long pointed crest, chin, and throat.
Upperparts Coloration
They have deep rufous-black upperparts, with a blond to cream-buff lower back, rump, and uppertail coverts.
Back and Rump Markings
Their back has narrow cinnamon to pale cinnamon-buff bars; their rump sometimes has a cinnamon tinge, and the longest uppertail coverts are rufous with black bars near the tip.
Flight Feather Features
Their flight feathers are blackish brown with rufous bars at the base.
Tail Feather Features
Their tail feathers are black, with some rufous coloring and black spots on the outermost pair.
Underparts Coloration
Their lower neck and underparts are dark sooty rufous, with a few brighter feather edges.
Flank and Thigh Features
Their rear flanks and thighs are creamy, and the thighs have variable dark barring.
Soft Part Features
Adult pale-crested woodpeckers have a grayish to horn-colored bill, a dark red to red-brown iris, and gray legs.
Juvenile Features
Juveniles resemble adults, but have blackish markings on the head and irregular barring on the upperparts.
Subspecies Kerri Morphology
Subspecies C. l. kerri is almost identical to the nominate subspecies, but is slightly larger and darker.
Nominate Subspecies Range
The nominate subspecies of pale-crested woodpecker is distributed across central and eastern Bolivia, and the western portion of Brazil's Mato Grosso state.
Subspecies Kerri Range
Subspecies C. l. kerri is found across most of Paraguay, in southern Mato Grosso and the state of Mato Grosso do Sul (Brazil), and in northeastern Argentina.
Habitat
This species lives in somewhat open landscapes including semi-deciduous forest, cerrado woodland, and dry Chaco woodlands, and it is often found in areas with palms.