Photo: Missy Mandel/Great Backyard Bird Count Participant

White-breasted Nuthatch

Sitta carolinensis

Conservation status Widespread and common, with numbers stable or possibly increasing.
Family Nuthatches
Habitat Forests, woodlots, groves, shade trees. Typically in mature deciduous forest, also in mixed forest with some conifers; rarely found in pure coniferous forest. Often favors woodland edge, along rivers, roads, clearings; may be in suburbs or parks as long as large trees are present.
Readily attracted to bird feeders for sunflower seeds or suet, the White-breasted Nuthatch may spend much of its time industriously carrying seeds away to hide them in crevices. Its nasal calls are typical and familiar sounds of winter mornings in deciduous woods over much of North America.
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Feeding Behavior

Forages mainly on trunk and larger limbs of trees, climbing about and exploring all surfaces. Sometimes feeds on ground. During fall and winter, regularly caches food items in bark crevices on territory.


Eggs

5-9, rarely 10. White, spotted with reddish-brown. Female incubates, is fed on nest by male. Incubation period 12-14 days. Young: Both parents feed young. Age when young leave nest uncertain, or perhaps quite variable; reported as 14-26 days. 1 brood per year.


Young

Both parents feed young. Age when young leave nest uncertain, or perhaps quite variable; reported as 14-26 days. 1 brood per year.

Diet

Mostly insects, also seeds. Eats mostly insects (and spiders) during summer, supplementing these with seeds in winter. Proportion of seeds in diet may vary from zero in summer to more than 60% in winter. Will also feed on suet and peanut-butter mixtures at feeders. Young are fed entirely on insects and spiders.


Nesting

Pairs remain together on nesting territory all year, may mate for life. Courtship behavior begins by late winter. In courtship display, male raises head, spreads tail, droops wings, sways back and forth, and bows deeply. Male also performs much courtship feeding of female. Nest site is large natural cavity or old woodpecker hole, usually 15-60' above ground; may rarely use birdhouses; may sometimes excavate own nest cavity. Female builds nest in cavity, a simple cup of bark fibers, grasses, twigs, hair. Adults may spend minutes at a time sweeping the outside and inside of nest with a crushed insect held in bill; chemical secretions of insects may help repel predators. Also sometimes adds mud to rim of nest entrance.

Text © Kenn Kaufman, adapted from
Lives of North American Birds

Illustration © David Allen Sibley.
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Migration

Usually a permanent resident. In occasional years, numbers may move south in the western and northern parts of the range, in an unexplained irruptive movement; this is far less frequent and less pronounced than in the Red-breasted Nuthatch.

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Migration

Usually a permanent resident. In occasional years, numbers may move south in the western and northern parts of the range, in an unexplained irruptive movement; this is far less frequent and less pronounced than in the Red-breasted Nuthatch.

Songs and Calls
A nasal yank-yank. Song a series of low whistled notes.