You could try and find a local rescue and see if they will come have a look.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Well, that was fast! Apparently they are aware of the problems but just don't care. At least I tried.
"Hello
Yes sometimes people dump there domestic duck in the garden we have no control over that. Not all the birds here migrate in the winter they stay all year round. Thanks for your concern."
How unfortunate. Im sure where you are is much colder than MD but at the marina where i work we had some mallards that stayed all year round even in the snow and ice, so they CAN do it. Whats sad is domestic ducks might not have The foraging skills to survive all winter