That would be horrid if they hurt some of your smaller birds. Why can other birds be so mean? They are horrid to each other. When my finches fight feathers scatter all over the place. It's vicious so I separate them at times. More snow your way? What part of US are you in? Aren't you all sick of it? I live near mountains and we're like having spring. We need water badly. Why are you keeping the geese for your aunt?