Move a python / django object from a parent model to a child (subclass)

Question

I am subclassing an existing model. I want many of the members of the parent class to now, instead, be members of the child class.

For example, I have a model Swall

Answer 1

It's a bit of a hack, but this works:

swallow = Swallow.objects.get(id=1)
swallow.__class__ = AfricanSwallow
# set any required AfricanSwallow fields here
swallow.save()