Western Bluebird is also known as Sialia Mexicana are small sized thrush bird. They are native to California. They have blue coloration on the top and orange on the breast and sides. They weigh in between 24 to 31 g and grow up to a size of 5.9 to 7.1 inches. They have a life expectancy of 10 years. Their diet comprises of insects and seeds. Their vocal voice sounds like “cheer,” “chur-chur,” and “chup”.