Philippe Clement / Great Spotted Woodpecker (Dendrocopos major) male drumming on tree trunk in forest, Belgium, July

Gerrit Vyn / Ruffed grouse (Bonasa umbellus) male displaying neck "ruff". The ruff is most often displayed once a female has been attracted by the males drumming and is present. Okanogan County, Washington, USA Ap...

Matthias Breiter / Ruffed Grouse (Bonasa umbellus) male drumming, Kenora, Ontario, Canada

Colin Varndell / Great spotted woodpecker (Dendrocopos major) female drumming on tree branch in winter, Dorset, UK January

Marie Read / Yellow-bellied Sapsucker (Sphyrapicus varius), male drumming, long exposure, New York, USA, April.

David Tipling / Common snipe (Gallinago gallinago) in drumming display flight over breeding ground Unst, Shetland, Scotland, UK.June

Konrad Wothe / Male Black woodpecker (Dryocopus martius) drumming on tree trunk, Bavaria, Germany, April.

Konrad Wothe / Male Black woodpecker (Dryocopus martius) drumming on tree trunk before flying off, Bavaria, Germany, April.

Konrad Wothe / Male Black woodpecker (Dryocopus martius) preening and drumming on tree trunk, Bavaria, Germany, April.

Konrad Wothe / Male Great spotted woodpecker (Dendrocopos major) drumming and stretching wings, Bavaria, Germany, March.

Konrad Wothe / Male Great spotted woodpecker (Dendrocopos major) stretching wings and drumming on a tree trunk, Bavaria, Germany, March.

Konrad Wothe / Male Great spotted woodpecker (Dendrocopos major) preening and drumming on a tree trunk, Bavaria, Germany, March.