WESTERN BLUEBIRD


Sialia mexicana


Description:

Western Bluebirds feast on a variety of invertebrates, including caterpillars, grasshoppers, beetles, ants, and snails. In winter, their diet includes wild berries.


Appearance:

General: 6.5-7inches in length.

Male: Bright blue upperparts and throat. Brownish back patch. Rusty orange-red breast and flanks. Gray belly and undertail coverts.

Female: Brownish-gray head and back. Blue wings and tail, which are duller than on male. Gray throat, belly, and undertail coverts. Dull brown-chestnut was on breast and flanks.

Juveniles: Duller than adult males and have spotted underparts.


Habitat:

Open woodlands, farms, pastures.


Nesting:

4-6 pale blue eggs. The eggs have a 13-14 day incubation period. Fledging occurs in 19-22 days. The nest is made from grass and built in a tree cavity or woodpecker hole.


Observed Locations:

  • Lake Murray, La Mesa
  • Guajome Lake, Oceanside
  • Bell Gardens, Valley Center





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Male

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Copyright © Scott Streit, 2000.