There is a "way" of unstuck them. But just if u have two barns with for example 6/8 animals u can switch them to the other barn. So they get "ported" to there new barn ... this could be kind of helpfull. (Pet moveable in Journal - Pets. The house icon behind the animals)

If u have two barns with for example 6/8 animals u can switch them to the other barn. So they get "ported" to there new barn ... this could be kind of helpfull. (Pet moveable in Journal - Pets. The house icon behind the animals)