In addition to trees with good resonance, Yellow-bellied Sapsuckers also drum on metal surfaces—like street signs or chimney flashing—to amplify their territorial messages. Most drumming is done by males during breeding season.

Why do woodpeckers drum?

Like songbirds have their songs for communication, woodpeckers have their drumming. Males will use this sound pattern, supplemented with their calls, for two reasons: attracting a female and establishing territory to other males. ... Sometimes woodpeckers will drum for communication on surfaces other than trees.

What sound does a red bellied sapsucker make?

Calls. Call a harsh mewing "waah." Drumming a distinctive slow irregular tapping, easily imitated by tapping on a tree with a stick.