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Sapsuckers drill small holes in the bark of favored trees, then return again and again to eat the sap that flows out. And hummingbirds, kinglets, and warblers come to the sap wells to eat the insects trapped in the sap. Although a sapsucker, like the Red-breasted Sapsucker pictured above, may suck a tree's blood, so to speak, the drilling usually doesn't damage an otherwise healthy tree.
BirdNote®
Sapsuckers
Written by Dennis Paulson
This is BirdNote.
[Drilling and call of Red-breasted Sapsucker]
When you hear this drilling and catlike squeal, look for a delicate woodpecker – a sapsucker. Depending on where you live, you’re most likely to see one of three species. The Yellow-bellied lives in the East, Red-naped in the Rockies, and Red-breasted on the Pacific Coast. Each of them quietly drills small holes in the bark of favored trees, then returns again and again to eat the sap that flows out.
Although a sapsucker sucks the tree’s blood, so to speak, the drilling usually doesn’t damage an otherwise healthy tree. The sapsucker also takes the small insects attracted to the seeping sap. And hummingbirds, kinglets, and warblers also come to the sap wells to feed.
[Whirring wings of hummingbird]
In this way, sapsuckers benefit other birds. You can spot sapsucker trees by the horizontal rows of holes scattered up and down the trunk. These trees freeze in winter, so most sapsuckers are highly migratory.
[Sapsucker drumming]
When spring comes, sapsuckers become noisier, drumming like other woodpeckers but in syncopated rhythms. They seek out dead trees in mature forests in which to excavate their nest holes, and sipping sap gives way to foraging for insects.
[Squeal of a Red-breasted Sapsucker]
For BirdNote, I’m Mary McCann.
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Senior Producer: Mark Bramhill
Producer: Sam Johnson
Managing Producer: Jazzi Johnson
Managing Producer: Ariana Remmel
Content Director: Jonese Franklin
Call and drumming of the Red-breasted Sapsucker provided by The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology, Ithaca, New York, recorded by G.A. Keller. Wing beat of Anna’s Hummingbird recorded by A.A. Allen.BirdNote’s theme was composed and played by Nancy Rumbel and John Kessler.
© 2010 Tune In to Nature.org June 2010 / 2021 & September 2025
Narrator: Mary McCann
ID# RBSU-01b-2021-6-11 RBSU-01b





