Keep a small, current identification set ready for your Khaki Campbell duck, because a missing Campbell is a plain khaki-brown duck that most people cannot describe beyond small and brown. Your photos and notes need to do the describing for them. Photograph this bird the way a neighbour would meet it, on grass and near water, in daylight, at its present feathering, and pair the pictures with the few written details that separate a hen from a drake and this Campbell from the rest of your flock.
The angles a small duck needs
Photograph a Khaki Campbell from the left, the right, directly above, and the front. The side views show the smooth khaki body plumage, the slightly darker head and neck on a drake, the upright, alert carriage the breed is known for, and the orange-brown legs. The view from above is surprisingly valuable for ducks, because finders often spot a lost bird from a bridge, a bank, or an upstairs window, and the back pattern, wing bars, and tail shape are what they will see. The front view captures bill colour and shape head-on, a detail that shifts between individuals and between the sexes, and helps confirm a bird reported as just a brown duck on a village pond.
Sex, voice, and the drake's tail feather
Write down this Campbell's sex and how you know it. A hen Khaki Campbell quacks loudly and clearly, while a drake has a quieter, rasping voice and usually carries a curled feather at the tail, and those two facts let a finder identify the bird without catching it. Note that the curled tail feather can be lost in a moult or a scuffle, so never make it the only marker you record. Add bill colour in words, since bills photograph differently in sun and shade, and record any leg band colour and number, which flock the bird lives with, and the name it answers to at feeding time, if any.
Feather changes that can defeat an old photo
A Khaki Campbell's plumage is not a fixed uniform. Moulting replaces worn feathers in stages, drakes can move in and out of a duller eclipse plumage, and sun, mud, and pond water stain light khaki feathers enough to change a bird's apparent colour between spring and autumn. A photo set from before a moult can lead a well-meaning finder to dismiss your duck as the wrong bird. Refresh the set after each moult, after any injury that changes how the bird stands or walks, and whenever a new mark appears, such as a white feather in the wing or a pale patch at the throat. Keep the older set labelled, because a bird missing mid-moult may match neither set perfectly but something in between.
Marks that single out one Campbell
Singling out one Campbell means hunting for small, honest differences. Look for a slightly crooked toe, a nick in the bill edge, one leg a shade darker than the other, a flecked or unusually plain breast, a habit of holding one wing a touch low, or a limp that has been checked and is simply how this bird moves. Photograph each mark close, then describe it in finder language: a short note saying the duck favours its right leg tells a stranger more than a label copied from a breed standard. If your Campbell genuinely matches its flock mates feather for feather, record that too, and make the leg band and the flock's home pond the centre of the search description instead. Prepared this way, KinsLe's Lost Pet Alert System carries this Campbell's bill colour, sex, and band number straight to nearby members as soon as you report it missing.