The version of this story I learned relates the trials and tribulations of a new mother wide-mouthed frog, as she seeks advice from other animals, asking, (mouth opened as widely as possible):
WHAAAT DOOO YOOOU FEEEEEED YOOOUUR BAAAAAYY-BEEEES?
She progresses from animal to animal until she comes to the alligator, who naturally answers, "wide-mouthed frogs."
"Wide-mouthed frogs? I don't see any wide-mouthed frogs."
I kept my three-year old nephew entertained with this story on the long drive from Berkeley to Los Gatos. Being three years old, however, he didn't recognize the punch line, but wanted me to go on with the funny animal voices and the foods they ate. Drove the adults in the car crazy.