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Overview
Yellow-bellied sapsucker

Yellow-bellied sapsucker

Wikipedia

The yellow-bellied sapsucker is a medium-sized woodpecker that breeds in Canada and the northeastern United States.

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Distribution

Region

North America and Central America

Typical Environment

Breeds across Canada and the northeastern to north-central United States, favoring young deciduous or mixed forests with aspen, birch, and maple. In winter it moves to the southeastern United States, Mexico, the Caribbean, and parts of Central America. It frequents forest edges, riparian corridors, orchards, parks, and suburban trees. Sap-producing trees are key, and it often returns to productive trees year after year. The species adapts well to second-growth habitats.

Altitude Range

Sea level to 3000 m

Climate Zone

Temperate

Characteristics

Size19–21 cm
Wing Span34–40 cm
Male Weight0.055 kg
Female Weight0.05 kg
Life Expectancy6 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

This medium-sized woodpecker drills neat rows of sap wells that feed not only itself but also hummingbirds, warblers, and insects. Its uneven, stuttering drum pattern is a hallmark in spring. Though their drilling can superficially damage trees, healthy trees typically recover.

Gallery

Bird photo
Bird photo
Bird photo
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Bird photo
Holes in a dying white birch, Jacques-Cartier National Park

Holes in a dying white birch, Jacques-Cartier National Park

Yellow-bellied sapsucker girdling a holly tree

Yellow-bellied sapsucker girdling a holly tree

Bird photo
Bird photo
Bird photo
Bird photo
Bird photo
Bird photo

Behaviour

Temperament

solitary and territorial

Flight Pattern

undulating with rapid bursts and short glides

Social Behavior

Typically solitary outside the breeding season, defending productive sap trees vigorously. Pairs form in spring and excavate a nest cavity in live or dead trees, often in aspen or birch. Both sexes incubate and feed the young, and they may reuse territories across years.

Migratory Pattern

Seasonal migrant

Song Description

Vocalizations include a nasal, cat-like mew and harsh calls. Drumming is distinctive: an irregular, stuttering series that starts quickly and tapers off, unlike the steady rolls of many other woodpeckers.

Identification

Leg Colorslate-grey
Eye Colordark brown

Plumage

Black-and-white barred upperparts with a prominent white wing patch, pale underparts washed yellow, and a black bib. Head shows bold black-and-white striping; males have a red throat, females usually white-throated. Both sexes have a red forehead.

Feeding Habits

Diet

Feeds primarily on tree sap and the soft tissues around sap wells, supplementing with insects such as ants, flies, and beetles that are attracted to the sap. Also takes fruits and buds, especially outside the breeding season. It creates horizontal rows of shallow holes and revisits them to keep sap flowing.

Preferred Environment

Forages on trunks and main branches of living trees, especially birch, maple, and aspen. Common around forest edges, orchards, and parks where suitable sap trees are available.

Population

Total Known PopulationEstimated global population of 10–20 million individuals

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