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Bird Bio - Western Bluebird
Common Name:
Western Bluebird.
Scientific Name:
Sialia mexicana
Description:
- Belongs to Thrush Subfamily
- Male- head, throat, wings, tail- deep purplish-blue; red on chest
- Female-gray throat; grayish-blue head and back; light blue wings and tail
Lifecycle
- Egg description: pale blue
- Nest description: Cup shaped; Made of grasses, weed stems, feathers, pine needles
- # Eggs: 3-8, one egg laid per day
- Length of Incubation: 13-14 days
- Fledging Age: approximately 20 days
- Broods/season: 2, Considered monogamous
- Longevity of Adult: 5 years
Habitat:
- Open woodlands and Pasturelands
- Old trees for nesting sites need to be present
- Oak woodlands above elevation of desert
- Open coniferous forests
- Also found in farmland
- Will use man-made nests and visit feeders
Food:
- Ground feeders but will catch some insects on the wing
- Primarily insects
- Will eat fruit, berries and weeds seeds
Range:
- Winter: Partially migratory-will move to lower elevations during winter months
Predators/Enemies/Competitors:
- House Wrens
- Fire Ants
- Deer Mice
- House Sparrow
- European Starling
