I'd love to see the photos. I've taken so many pictures over the years, I can't keep them apart.
The fox does not come into the barn and attack the nests. She probably has a litter somewhere and she's really hungry. She will eat one duck a day and she strikes daytime, not night. So since she's so very sneaky, she will lie in quiet while the ducks are snoozing around the lake and will pick one off. This is how I know it's a fox and not a wild dog or coon or something. The raccoons and possum will come into the barn and steal the eggs. So they are the real threat to the nests. They will also cause a crazy kill zone if they trap her. So some if the best protected nests will actually become a trap. I can close her up tight at night most nights, but sometimes during bad storms I have to let the horses in to their stalls and we keep the stall doors open. It's always one thing or another keeping everyone safe. But trying to outfox a fox is really hard to do. *S* I've tried to trap her, but all I caught was a raccoon.