I can make a kind of story here. The top duck has that serene almost beatific " isn't life great? look whereas it's wordly wise companion looks a little alarmed and open mouthed at what it has just seenand may be coming towards them to shatter the peace!
Only possible because of the way you have placed both ducks and ensured nothing else has appeared.
Thanks
PS the Dektol and selenium has given a pleasing warm look in keeping with the sunny weather conditions.