USFWS Migratory Birds - While the color of many birds' feathers is from natural pigment, the blue in a blue jay's feathers comes from the way the light reflects off the feathers.

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Bird Feathers The Canadian Encyclopedia

The pigment in Blue Jay feathers is melanin, which is brown. The blue color is caused by scattering light through modified cells on the surface of the feather barbs. : r/Awwducational

MI Birds - Did you know that the pigment in Blue Jay

Feathered February • Huntsville Botanical Garden

Green Drinks Williamsburg, VA, Now here are some fun feather facts

Bluejay Feathers South Carolina Public Radio

UM Today Light pollution altering avian migration, UM study finds

When is a blue bird not blue?

Iowa Department of Natural Resources - TRUE or FALSE: Blue jays get their vibrant blue color from a diet of berries. FALSE. Some birds turn a certain color because of what they