A day after he rescued a drowning owl on Lake Lanier, a South Forsyth boater was still marveling over the unusual encounter. Brendan Mazur was aboard his small recreational tugboat near Bald Ridge Marina around daybreak Sunday when he noticed what appeared to be a large bird floating in the calm, cold water. “There’s no telling how long it was afloat, but he was obviously distressed,” Mazur said Monday afternoon.