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 ...

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 ...

So the possibility of intensifying color through biofluorescence ... Martin and Carr eventually set up a special blue-light photo booth for bird specimens’ fluorescent portraits.