Hey everyone, so lately I've noticed that several of my birds have have started to vanish without a sign of ever being attacked by anything. There's no feathers missing, no crazy squawking that I've heard, they've just disappeared... I have seen a fox once or twice in our back pasture, but last time a fox decided to attack my birds they left feathers all over the place. In this case the birds are just gone with no feathers or anything anywhere. Anybody know what could be happening?