The Recorder - Speaking of Nature: Blue jays
What! The Steller's Jay isn't really blue? - Sightseeing Scientist
The Trickster - Rachel Carson Council
Light trickery makes bird feathers blue but not red
Mnemonics in Nature
There is No Such Thing as a Blue Bird – National Geographic Education Blog
Tricky Species: Blue Jays, Killdeer, Viceroy Butterflies
How Do Animals Get So Colorful? - The Atlantic
Garden Dilemmas, Delights & Discoveries, Ask Mary Stone Blue Jays Bad Reputation - Garden Dilemmas, Delights & Discoveries, Ask Mary Stone
Blue: In Search of Nature's Rarest Color: Kupferschmidt, Kai: 9781615197521: : Books