It's an extraordinary day on Pebble Island for three frogs when one of them discovers a beautiful white egg. They've never seen a chicken egg before, but they're sure that's what this must be.

So when the egg hatches and out crawls a long, green, scaly creature, they naturally call it…a chicken! From award-winning artist Leo Lionni, here's a hilarious case of mistaken identity that children are to delight in.