Keep them neutral. Perhaps there's a way that once they see him, they stop what they are doing and either surrender or just stand and stare if they are far away. Give them some dialogue like "Don't hurt me!" or "I surrender!" and stuff.
Nice work! I remember when I watched the Star Wars movies for the first couple times, I never imagined Bothans looking like they came to. I imagined them being more like Cathars, more human looking with fur.