The symbol of a bluebird as the harbinger of happiness is found in many cultures and may date back thousands of years.
Mountain bluebird (Sialia currucoides) from North America
The bluebirds are a North American group of medium-sized, mostly insectivorous or omnivorous birds in the order of Passerines in the genus Sialia of the thrush family (Turdidae). Bluebirds are one of the few thrush genera in the Americas.
Bluebird
Mountain bluebird
Male western bluebird
Image: Mountain Bluebird