Alan Murphy / Yellow-bellied Sapsucker (Sphyrapicus varius) male, Texas

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

Jeff Foott / Yellow-bellied sapsucker (Sphyrapicus varius) feeding on willow, Teton National Park, Wyoming, USA. August

Jeff Foott / Yellow-bellied sapsucker (Sphyrapicus varius) juvenile feeding on willow, this species damages the trunk to feed on sap. Teton National Park, Wyoming, USA. August

Jeff Foott / Yellow warbler (Dendroica petechia) at Yellow-Bellied Sapsucker site (Sphyrapicus varius) damage in tree to eat sap. Sapsuckers damages trees trunks to feed on sap. Teton National Park, Wyoming, USA....

Jeff Foott / Broad-tailed Hummingbird (Selasphorus platycerus) at Yellow-Bellied sapsucker (Sphyrapicus varius) damage in tree. Sapsuckers damages trees trunks to feed on sap. Teton National Park, Wyoming, USA. Au...

Nick Saunders/ BIA / Yellow-bellied Sapsucker (Sphyrapicus varius) male, Saskatchewan, Canada

Jim Brandenburg / Yellow-bellied Sapsucker (Sphyrapicus varius) foraging, Minnesota

Alan Murphy / Yellow-bellied Sapsucker (Sphyrapicus varius) male, Texas

Nick Saunders / Yellow-bellied Sapsucker (Sphyrapicus varius) visiting wells in tree trunk, Saskatchewan, Canada

Glenn Bartley / Yellow-bellied Sapsucker (Sphyrapicus varius) female, Ontario, Canada

Glenn Bartley / Yellow-bellied Sapsucker (Sphyrapicus varius) male, Manitoba, Canada