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Tree Swallow (Tachycineta bicolor )


Photo © Barb

Tree Swallow nest

Photo © RenĂ© Corado

Tree Swallow eggs

Photo © RenĂ© Corado

Tree Swallow

Photo © Sharon Beals, from the collection of Cornell University Museum of Vertebrates

Adult male

Photo © Greg Gillson | Macaulay Library

Adult female

Photo © Noah Strycker | Macaulay Library

Adult male

Photo © Phil McNeil | Macaulay Library

Juvenile

Photo © Evan Lipton | Macaulay Library

Adult male

Photo © Ian Hearn | Macaulay Library

Juvenile

Photo © Andrew Aldrich | Macaulay Library

Immature

Photo © Scott Somershoe | Macaulay Library

Adult male

Photo © Anonymous eBirder | Macaulay Library

Flock

Photo © Bill Maynard | Macaulay Library

Song and calls

© Michael Andersen | Macaulay Library

When To Look

Source: Birds of North America Online

Where To Find It

Habitats

grassland

lake

marsh

shore

Substrates

Nestbox or Birdhouse

Live Tree Cavity

Dead Tree Cavity

What You'll Find

Nest Type

cavity

Chick

Altricial

Clutch Size

2
4
7
8

Nest Height

30 ft
3 ft

Nesting Statistics

Incubation Period

11-19
days

Brooding Period

15-25
days

Useful Hints

  • Tree Swallows seem to prefer south-facing nest boxes, all else being equal.
  • Nesting Tree Swallows need nearby bodies of water over which to forage for flying insects.
  • The nest is lined with feathers, usually those of waterfowl.