California and many other states want the Mute Swans eradicated from North America. Meaning, they have prohibited their flying in the wild by killing the birds, having rehabilitation centers and staff refuse to treat them and other reprehensible laws.

Most swans will go about their business without any other swan, especially if it is a male swan and has lost its mate. The males may or may not re-pair. Is the swan in the wild or in a captive setting such as a park etc.? If it is in a park, there is probably not much you can do about it and even in the wild, there may not be anything you can do.

The one thing that may be bad for the swan is feeding it. Yes, it is getting used to you, but if it starts accepting other people, it may become so tame that it does get harmed because it wont' flee, but will go towards a human. If the human does not have good intentions, then the swan can be harmed or killed. You might try asking around a wildlife rehabilitation center to see if something can be done, but we would suggest you do it quietly and not let anyone know the location of the swan until you can find someone that may be able to legally help the swan. The Regal Swan