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?

Decrypt Monsters.dat or whatever it is and make them smaller :D

how to decrypt? im kinda newbie in these stuff

Search for DragonStar BusterBlade guide, there is itemtype.dat but u make same thing with Monsters.dat

i thought this section is not allowed to ask any questions...wrong section