Birds of the Pacific Coast 1923. birds, British Columbia, kinglet, Regulus calendula, ruby-crowned kinglet, Regulus satrapa, golden-crowned kinglet, Pacific Coast North America, A detailed illustration showcases two pairs of kinglets perched on delicate branches. On the left, a ruby-crowned kinglet female is depicted alongside a male, characterized by its vibrant red crown. To the right, a western golden-crowned kinglet female is shown beside its male counterpart, distinguished by a striking golden crown. Their intricate feather patterns and colors add a lively touch, set against a softly rendered backdrop that emphasizes their natural habitat. The arrangement highlights the differences between the two species while showcasing their charming and delicate features.