What's in a blue jay feather? As it turns out, less color than you'd think. We asked an expert to explain why blue jay ...

Red bird, blue bird: LSU doctoral student explains the why of birds of colorful feather BY COLETTE DEAN | Contributing writer. Colette Dean. Author email; Sep 27, 2022 ...

Blue birds and red birds get their vibrant colors in very different ways, and comparing the two strategies could tell scientists something fascinating about how materials (natural or synthetic ...

Seeing red. There's another fascinating twist to the story. Birds use carotenoid pigments for decorative feather, skin and bill colors—but also for vision.