In this book you will learn fun facts about mountain bluebirds (Siala currucoides) with photographic illustrations and observations of their behavior. The story covers a span of time from when the bluebirds first arrive in Colorado in the spring until they have their young and the babies become independent.There are two species of bluebirds in Colorado. The western bluebird (Siala mexicana) can be readily recognized by the red feathers on the male's breast. The mountain bluebird, (S. currucoides) on the other hand has white feathers on the male's breast. The female mountain bluebird is pale sky-blue with a light-colored chin, a brownish back and may have a rufous tint on her breast in early spring. This book is about the mountain bluebird.