Often seen as a lemon-colored blur among leafy treetops, the American yellow warbler is challenging to view with binoculars or capture with a camera. Patience and a bit of luck make it worth the ...

Beautiful bird plumage these days matches the color pallet of wildflowers — cardinals as red as Indian paintbrushes, andbluebirds as blue ... feathers has dull tones and especially dull tips ...

With flashy feathers and fancy moves, birds of paradise are already ... For instance, intense blue — in; then greenish yellow — out. Seahorses and pipefish fluoresce bright red.

For instance, equal ratios of red and yellow molecules should produce orange feathers, Corbo says. Yellow feathers topped with blue nanostructures ... pigments that other birds such as cardinals ...