World Bird List

Species factsheet
Red-necked Woodpecker (Campephilus rubricollis)

Order: Campephilus rubricollis
Family: Woodpeckers (Picidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
rubricollis e Colombia and e Ecuador through s Venezuela, the Guianas and n Brazil
trachelopyrus e Peru, n Bolivia and w Brazil
olallae c and sw Brazil to c Bolivia