Fieldae Rodentia and Pikaformia, Field ancestor Pokemon

This is a fun idea where I try to design hypothetical common ancestor to a bunch of Pokemon, based on in-game egg groups. Now, I am onto the Field group, but because Field is such a large group, I have split it into subgroups, which I will design intermittently. The first of these is Rodentia, which encompasses Pokemon based on rodents, rabbits, moles and shrews, including the "Pikaclone" archetype.