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Eastern Bluebird (Sialia sialis)


Photo © H. S. Farm

Photo © reddirtpics

Photo © reddirtpics

Eastern Bluebird eggs

Photo © R. Greenwood

Adult male

Photo © Debbie McKenzie

Adult male

Photo © Ed Schneider

Adult female

Photo © Glenda Simmons

Adult female

Photo © Debbie McKenzie

Adult male

Photo © Gerry Dewaghe

Immature

Photo © Eddie Callaway

Adult female

Photo © Corey Husic

Call, song

© Gregory F. Budney

Song

© Gregory F. Budney

Call

© Lewis F. Kibler

Shortened song

© Geoffrey A. Keller

When To Look

Source: Birds of North America Online

Where To Find It

Habitats

grassland

open woodland

Substrates

Nestbox or Birdhouse

Live Tree Cavity

Dead Tree Cavity

What You'll Find

Nest Type

cavity

Chick

Altricial

Clutch Size

3
5

Nest Height

20 ft
3 ft

Nesting Statistics

Incubation Period

11-19
days

Brooding Period

17-19
days

Useful Hints

  • The male Eastern Bluebird displays at his nest cavity to attract a female. He brings nest material to the hole, goes in and out, and waves his wings while perched above it.
  • The female makes the nest by loosely weaving together grasses and pine needles, then lining it with fine grasses and occasionally horse hair or turkey feathers.
  • After a successful clutch fledges, the female bluebird will often go off to build a second nest, leaving the male to care for the fledged young.