pygmy woodpecker (Dendrocopos kizuki)
Japanese green woodpecker (Picus awokera); Japanese woodpecker; wavy-bellied woodpecker
great spotted woodpecker (Dendrocopos major)
black woodpecker (Dryocopus martius)
Okinawa woodpecker (Sapheopipo noguchii)
white-backed woodpecker (Dendrocopos leucotos)
lesser spotted woodpecker (Dendrocopos minor)