This morning my conure pooped on me and it looked fine, a little watery if anything, but fine. Later in the day, I went to clean one of her lower perches off bc they always get pooped on, and I noticed that there was black or very dark poop on it. Some of it was new some was crusty. Should I be worried? She did have chop with some blueberries on top, could that cause it? I just want to make sure it's not just something she ate before I make a vet appointment.