I take care of about 40+ ducks at a neighbor's double pond for the last 4 years, I ended up with this task because the owner of the pond is an elderly man and the neighbor across the street who used to feed the ducks passed away, when their food source stopped with his death, they came up to my street looking for food and were being killed rapidly on our busier street. So I took over feeding the ducks. What was a wonderful little flock of about 20 ducks, over the years the flock swelled to about 60 ducks, the owner took some larger black ducks in and 2 smaller white and grey ducks were left at the pond last year, we also had a beautiful white duck dropped off 2 years ago. All went well until this year. The mating season was very aggressive, nothing like I have seen before, we lost the whitey first, some mallards, the grey and white ducks and now 1 of the black ducks has been attacked and seems to be dying. All together we have lost 14 ducks, male and female. Most of the females are roosting through out the neighborhood but the killing between the males are still happening. How do I stop them from killing each other and the females with their ducklings when they come back to the pond? I am so distraught watching my flock dying one by one, will it ever stop?