means nothing.bends down at 2 segments
bends down at 3 segments
Sometimes the modelers just fuck up. http://bulbapedia.bulbagarden.net/wiki/User:Vuvuzela2010/Sprite_Errors
The difference here is that the model for the pokemon used on both screens would be the exact same model, it's a lot easier to make errors on sprites because you have to make them both seperately instead of just rotating the camera on a model.