Woody Woodpecker. Donald Duck. Iago from “Aladdin." Louie, the U of L cardinal. All these birds have something in common: at various points in their histories, they have been depicted with a full toothy grin.

Which leads to our latest Curious Louisville question from Rachel Peterson: “Why does the U of L cardinal mascot have teeth?”

“Birds don’t have teeth,” Rachel said. “I get that it’s trying to look fierce, but it’s just biologically inaccurate."
WFPL’s Liz Schlemmer and Ashlie Stevens looked for an answer.