Prutiyos are forbidden, and the ramach is permitted. The adnei hasadeh is a wild animal. R’ Yose says: It conveys tumah through overshadowing just like a human. The porcupine and the stone marten are wild animal(s). The stone marten — R’ Yose says that Beis Shammai say: It conveys tumah through carrying as the size of an olive’s bulk, and [tumah] through contact as the size of a lentil.