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 LC    Ladder-backed Woodpecker* Id (Atlas):
    Dryobates scalaris

Description (10)
Image of Ladder-backed Woodpecker
 

Family
Picidae (Woodpeckers)

Size
18 cm

First Described (Guide)
(Wagler, 1829)

Habitat
Subtropical and tropical lowland dry shrubland. From sea-level - 2,600 m.

Range (Guide)
Belize, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, USA (B).

Population
Estimated population is 2,000,000 (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (55)...)

 
Ladder-backed Woodpecker (Dryobates scalaris) [XC662553]
     by Richard E. Webster from Zona de Restauraci\u00f3n Laguna Grande, Baja California, Mexico (call, drumming)

 
Ladder-backed Woodpecker (Dryobates scalaris) [XC878012]
     by Jarrod Swackhamer from Ironwood Forest NM southeast of Waterman Mtns, Pima County, Arizona, United States (song)

Subspecies
Forms a superspecies with Nuttall's Woodpecker (Dryobates nuttallii), with which it occasionally hybridizes. Also closely related to Downy Woodpecker (Dryobates pubescens). Has possibly interbred also with Hairy Woodpecker (Leuconotopicus villosus). Considerable individual and some clinal variation; described subspecies centrophilus (western Mexico), azelus (southern Mexico), symplectus (south-eastern Colorado and western Oklahoma south to north-eastern Mexico), giraudi (east-central Mexico), ridgwayi (south-eastern Veracruz) and percus (Chiapas) regarded as indistinguishable.

The following 9 subspecies are recognised:

  • cactophilus Oberholser, 1911   -  South-western USA, from south-eastern California, southern Nevada, south-western Utah, south-eastern Colorado, western Oklahoma and western Texas, south to north-eastern Baja California and southern in central Mexico to Michoacán and Puebla.
  • eremicus Oberholser, 1911   -  Northern Baja California.
  • lucasanus (Xántus, 1860)   -  Southern Baja California.
  • sinaloensis Ridgway, 1887   -  Coastal western Mexico from southern Sonora south to Guerrero, south-western Puebla and central Oaxaca.
  • graysoni (Baird, SF, 1874)   -  Tres Marí­as Is, off western Mexico.
  • scalaris (Wagler, 1829)   -  Veracruz and Chiapas.
  • parvus (Cabot, S, 1844)   -  Northern Yucatán Peninsula, including Cozumel I and Holbox I.
  • leucoptilurus Oberholser, 1911   -  Belize, Guatemala and El Salvador to north-eastern Nicaragua.
  • soulei (Banks, 1963)   -  Cerralvo I.



References
See References.


Files:
JPG files for Ladder-backed Woodpecker (Dryobates scalaris) - 10 files


More Information

BirdLife International

For more information about the Ladder-backed Woodpecker see... Show Articles BirdLife International Species Factsheet.


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