Hello, I have just moved, and noticed some ducks at a lake near my house. When I took a closer look at them, I realized that they were dreadfully thin. Their chests sunk down low, and their torsos are painfully thin. There are about 4-5 black ducks, and one brownish one. The black ones are completley black, black legs, black beaks, black feathers, and the brown one looks a bit like a mallard female, with orange legs. I fed them some game bird food from the store, and on closer inspection I realized that their feathers are in terrible condition. They are broken off in some parts, and the down sticks through in some places. The ate very eagerly and ate from my hands. I am in Colorado, I don't know much about ducks, and it will be getting cold soon, so I would like to know what the best thing to do for them. I will try to get some pictures up tomorrow, and if you could tell me what kinds of ducks they are that would be very nice. Thank you!!