Blue Grosbeak

Blue Grosbeak

(Passerina caerulea )

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Photo © Mike Martin

Blue Grosbeak nest

Photo © René Corado

Blue Grosbeak eggs

Photo © René Corado

Breeding male

Photo © Cliff Peterson / Macaulay Library

Female/immature male

Photo © Jerry Callaway / Macaulay Library

Nonbreeding male

Photo © David Disher / Macaulay Library

Breeding male

Photo © Brad Imhoff / Macaulay Library

Female/immature male

Photo © Alex Lamoreaux / Macaulay Library

Breeding male

Photo © Gordon Dimmig / Macaulay Library

Song

© Wil Hershberger / Macaulay Library

Song

© Bruce Rideout / Macaulay Library

Song

© William R. Fish / Macaulay Library

Calls

© Bruce Rideout / Macaulay Library

Tink calls

© William R. Fish / Macaulay Library

Flight calls

© Bob McGuire / Macaulay Library

When To Look

Source: Birds of the World

Where To Find It

Habitats

Substrates

What You'll Find

Nest Type

Chick

Clutch Size

3
5

Nest Height

15 ft
0.5 ft

Nesting Statistics

Incubation Period

11-13
days

Brooding Period

9-13
days

Useful Hints

  • In the southern part of its breeding range, the Blue Grosbeak commonly raises two broods per year.
  • Brown-headed Cowbirds commonly lay eggs in Blue Grosbeak nests.
  • Many nests incorporate snake skins, but researchers are unsure why.