Ahh blue runner, never would have thought that. I have heard conflicting info on the stripes and read to look for a missing toe? they all seem to be the same size at this stage except the black one is smallest.
I was given ducks yesterday at tractor supply and I am curious what breeds you all with experience think. From looking up pics and all I am thinking yellow one is fawn & white runner, black one is cayuga, brown is khaki campbell and the yellow black one I dont know. Guessing mallard or rouen but...