Some have claimed that shiny colorful decorations like blue bottles appeal to birds, but is there any truth in the suggestion? "It is well studied that birds are attracted to color," said Tom ...

When tired, you may look pale with a lack of color in your cheeks. The birds are no different ... these areas of bare skin to produce the red, blue and white colors. In addition, the size of ...

Birds of paradise are highly sexually dimorphic ... He can even change his eye color from blue to a striking yellow by contracting his bicolored irises. He dances and flashes his fluorescent ...

Most are distinguished by striking colors and bright plumage of yellow, blue, scarlet ... who decimated some species. These birds also lend their name to a colorful flower. South Africa's bird ...

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.

Now, research has revealed these stunning birds are also sending secret color signals that are invisible ... glow in certain areas when viewed under blue and ultraviolet, or UV, light, appearing ...