Winston is an Anseranthrope.

He turns into a rampaging weregoose by the light of a full moon,

or when he eats too much dry corn.  Or too little dry corn...

It’s never been clear.  Additionally, his “rampaging” behavior

mostly consists of minor criminal mischief and petty larceny.  

He doesn’t drink blood because geese do not ever

drink blood, not even clever weregeese.

When Winston is not beset by his transformative curse,

he is a well-mannered North American snow goose.  

He loves corn and oatmeal, not assorted marsh grasses

as some seemingly reputable sources may purport.

Winston is also Jewish, but he doesn’t let it define him as a person.

Winston the