Chances are you’ve seen red cardinals and brown cardinals. But have you ever seen a yellow cardinal?

This unique yellow cardinal was first seen in the backyard of Charlie Stephenson in Alabaster, Alabama in late January. The distinctive bird became a regular at her bird feeder, showing up at least once a day.

So why is this cardinal yellow? According to Auburn University biology professor Geoffrey Hill, the cardinal carries a genetic mutation that causes his feathers to be a brilliant yellow instead of the more common red shade. “Yellow cardinals are a one-in-a million situation,” Hill said.

Watch a video of the cardinal:

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