G call(s) male continuous chick-a-dees & chick series,0723hr, G beg(s) female being fed by male, G beg(s) and chick-dees, G call(s) intense call of female as male feeds, G call(s) both birds, G song(s) male @ nest cavity chick-dees (0815 hr), G call(s) male into nest cavity, G narration(s) describing nest cavity from stop @0820 (0816 hr)