Summary ⁶

The western bluebird (Sialia mexicana) is a small thrush, about 5.9 to 7.1 inches in length. Adult males are bright blue on top and on the throat with an orange breast and sides, a brownish patch on back, and a gray belly and undertail coverts. Adult females have a duller blue body, wings, and tail than the male, a gray throat, a dull orange breast, and a gray belly and undertail coverts. Immature western bluebirds have duller colors than the adults, they also have spots on their chest and back. They can be spotted in the COSA year-round but are less commonly spotted during the summer months.

Sources and Credits

1. (c) Doug Greenberg, some rights reserved (CC BY-NC-ND), https://www.flickr.com/photos/dagberg/2301084544/
2. (c) Aaron Maizlish, some rights reserved (CC BY-NC), https://www.flickr.com/photos/amaizlish/8313978038/
3. (c) Jamie Chavez, some rights reserved (CC BY-NC), https://www.flickr.com/photos/almiyi/3296311014/
4. (c) Alan Vernon, some rights reserved (CC BY), http://commons.wikimedia.org/wiki/File:Male_Western_Bluebird_(Sialia_mexicana).jpg
5. (c) VivaVictoria, some rights reserved (CC BY-SA), http://commons.wikimedia.org/wiki/File:Sialia-Mexicana-Sunnyvale-Female-Feeding.jpg
6. Adapted by dirstine from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Sialia_mexicana

More Info

• iNat taxon page
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