[Worc]

Because ducks and geese often share the same areas. Your duck decoys and call worked as a confidence setup.
I always take goose loads with me while duck hunting and they are in season. A gun with a magazine cutoff is also a nice feature at times like this.

 

[Worc]

Their intent may have been to land there all along. Maybe if you had not been there they would have landed. You just never know.