If he's not socialized enough or used to being around a large group of dogs, he was likely overexcited by all of the goings on. And he wanted that ball so he might be becoming very possessive of his things but more than likely he's just not very used to a large group would be my guess but since I don't have any other history, that's all it is.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |