A return visit to Tanjung Tokong on 21 September to try to photograph more Common Redshanks was largely unfruitful, except for this:
The bird is on the right here, part of a flock which flew in, aiming to land on the mud in front of me. The strongly coloured and demarcated breastband suggests an adult female. However, the trailing edge of the wing looks uniform, in contrast to all the other birds in the photo, all clearly adults, and all in wing moult.
A couple more shots of the upperwing as the flock flew off. The orange on the underparts was amazingly bright, but the uniformly-aged wing feathers and that conspicuous mid-wing panel confirm that that it was a juvenile. I never saw it again, but Hor Kee saw it (again in flight) on 24 September.
Hor Kee’s rather sharper photo, showing the upperwing details nicely. The centre bird is the one in question. The bird on the right is an adult, and the bird on the left might be too.