Alabama's yellow cardinal: The science behind an amazing, rare

Rare Yellow Cardinal Photographed in Alabaster, Alabama

Ask Kenn Kaufman: Are Yellow Northern Cardinals Becoming More Common?

Rare Yellow Cardinal Photographed in Alabaster, Alabama

Hello 'Sunshine': Rare yellow cardinal spotted in south Alabama

It's not a yellow cardinal, but you might see this rare bird in your yard

The Year of Alabama Birding with Alabama Travel

How did cardinals get those bright red feathers? – Washington University School of Medicine in St. Louis

A Rare Sight: Yellow Cardinal Spotted in Alabama Thrills Bird Watchers

Rare Bird Alert: March 9, 2018 « ABA Blog

A 'one in a million' yellow cardinal is dazzling the Internet with its sunshiny feathers - The Washington Post

Rare yellow cardinal spotted in Alabama

41 Backyard Feeders Birds of the Northeast: The Definitive Guide