While the Star Fox team didn't actually amputate their legs for flight, the developers of Star Fox Assault certainly did to save on animation time.
New tail, new jewelry, improved facial animation, and more.
The floating Krystal head, and two versions of Krystal's Staff have been ripped from Star Fox Adventures.
The Star Fox Adventures inspired rig has been released for download.
Tail physics and fur, but still a very work in progress rig.
My Wii died, and a comparison of Star Fox 64 on Wii, Wii U, and 64.