or anything that could have mold on it even a small amount can be toxic.Funny you say that--my property is blanketed in snow, but I live next door to my father and his current gf, who is ALL about feeding the birds leftovers. I think I need to make sure she knows what they can and can't have again, because I see her out there at least a few days during the week with food. I'd really kick myself to find out she's feeding them avocado or something :I