I put Mr. goose in with our new Mrs. goose, just so they could say 'hi'... they instantly twisted their necks around each other, and started rooting between the wings of the other goose with their beaks.. I thought "Oh, this looks friendly!"... then it got more and more intense, with them circling while still buried in the other's back, necks still crossed.. then it seemed like they were both trying to step on the other goose, and then they started hissing and pulling feathers out of the backs, with their wings out... it was only like 1 minute, then I had to bust in and break it up... I just wasn't sure where it was going, but it didn't look comfortable. I put Mr. Goose out of the pen, and left mrs. goose in... mr goose ran off to the pond, and did his triumphant dance/honk... what does that all mean?