Ashish & Shanthi Chandola / White-bellied woodpecker (Dryocopus javensis) on tree trunk. Bandipur National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Ashish & Shanthi Chandola / White-bellied woodpecker (Dryocopus javensis), female on tree trunk with nest cavity. Bandipur National Park, Nilgiri Biosphere Reserve, Karnataka, India.

David Perpinan / Two White woodpeckers (Melanerpes candidus) drinking, Pantanal, Mato Grosso do Sul, Brazil.

David Perpinan / Two Crimson-crested woodpeckers (Campephilus melanoleucus) in tree at sunset, Pantanal, Mato Grosso do Sul, Brazil.

Karine Aigner / Portrait of a Downy woodpecker (Picoides pubescens) with white background, Block island, Rhode Island, USA. Bird caught during scientific research.

Hermann Brehm / White woodpeckers (Melanerpes candidus) Pantanal, Brazil

Jussi Murtosaari / White-backed woodpecker (Dendrocopos leucotos), female, Finland, April.

Bernard Castelein / White-fronted woodpecker (Melanerpes cactorum) perched on cactus, Red-fronted Macaw Community Nature Reserve, Omerque, Bolivia

Bernard Castelein / White-fronted woodpecker (Melanerpes cactorum) taking off from cactus, Red-fronted Macaw Community Nature Reserve, Omerque, Bolivia

Bernard Castelein / White-fronted woodpecker (Melanerpes cactorum) taking off from cactus, Red-fronted Macaw Community Nature Reserve, Omerque, Bolivia

SCOTLAND: The Big Picture / Great spotted woodpecker (Dendrocopos major) foraging on a Silver birch tree (Betula pendula), Scotland, UK, January.

Konrad Wothe / Crimson-crested woodpecker (Campephilus melanoleucos) drumming and preening, Panguana Reserve, Huanuca Region, Peru.