Fulvous-breasted Woodpecker
Dendrocopos macei
A medium-sized, pied woodpecker. Upperparts black, heavily barred white. Undertail red, breast and belly buff with light flank barring and slight side streaking. Withish cheeks partly bordered by black line. Crown red in male with orange forehead, black in female.
ID text from Wikipedia, CC BY-SA 4.0

White-backed Woodpecker
Dendrocopos leucotos
It is the largest of the spotted woodpeckers in the western Palearctic, 24–26 cm long with wing-span 38–40 cm. The plumage is similar to the great spotted woodpecker, but with white bars across the wings rather than spots, and a white lower back. The male has a red crown, the female a black one. Drumming by males is very loud, calls include a soft kiuk and a longer kweek.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Fulvous-breasted Woodpecker and White-backed Woodpecker.