When I bought her (about a week before pic 1), she was in with the Pekin ducklings but a bit smaller. I chose her bc I wanted a duckling about the same size as the "orphan". Turns out she was smaller not because she was younger but a different breed. But none of that matters because she is a...
Omg! My "Pekin" duckling looked so much like yours at that age and we are still trying to figure out what she really is! We got her from a farm store to be the buddy of one that lost his companion. She's getting her juvie feathers and coming in fawn and white!