Cada vez mais os robots são uma imitação de animais:
(https://lusorobotica.com/proxy.php?request=http%3A%2F%2Fletsmakerobots.com%2Ffiles%2Fuserpics%2Fu1533%2FIMG_0762.jpg&hash=d86c51a41e354d50d402b60923d9bd5950b7336c)
http://www.youtube.com/watch?v=o-K5a8vTtsw&feature=player_embedded
http://www.youtube.com/watch?v=h0D7ICD52Nk&feature=player_embedded