I dont think there is anything that can potentially pinch their webbing. There is about a 6 inch wall separating their swimming tub and hay bedded area. Could having this be causing the issue?
Something that might be helpful to know, it is quite cold at night in CA at this moment so I turned their baby brooder plate upside down so they can sit on the heated side when they get cold at night. They love it and sit multiple times per day. I am not sure if they are hurting their feet by...
I have two White Layer ducks and the smaller (I am assuming runt since he still is not fully feathered compared to the other duck who feathered about 2 weeks ago) has these red feet. I am not sure if they are broken blood vessels, too cold, or something else. Google hasn't given en any answers...