how to remove birds, hawks?

hi i have a problem with lags in bi is it any chance to remove birdmans or hawkings to those be like smaller or something or just remove the texture?

1st topic was closed because of wrong section i wish this one is good.

Just go to the textures folder of your client and remove the texture.

That might get you banned nowdays from what people say =p
Oh well so dos logging on, typical TQ.