Unlike birds whose plumage is mostly blue, the green coloring of a green bird‘s feathers is the result of pigment, not a ...

Their eggs are a pale bluish-green and may sometimes have light ... birds native to eastern North America and are located in ...

Male blue grosbeaks have bright blue bodies with rusty accents, while the females are a light brown Their ... black, and white feathers. Unlike most blue birds, which exhibit sexual dichromatism ...

Illuminated by blue and UV light, the birds’ white and bright yellow plumage broadcasts colors that may be used in territorial disputes or for finding mates, according to the study.