noun Date: 1861 a bluebird ( Sialia currucoides ) of western North America having a blue-breasted rather than red-breasted male
MOUNTAIN BLUEBIRD
Meaning of MOUNTAIN BLUEBIRD in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012