Raven attacking a male NG

21 June  6:30 p.m. Anacortes
From my back deck which overlooks Anacortes - 1 raven was constantly attacking a male NG. The wing beats-plus the size- and the wing holdings and the length of tail indicated male NG. The observation started 1 mile from my position, and was heading toward me. The NG appeared to be carrying small prey. As the battle went to my flank and a house and trees blocked my view- I left my position and entered the street in front of my house expecting to resume the observation. And I was correct as the NG was well past my position and ripping through the very tips of the evergreen trees on a hillside over looking my ridge line. There is no doubt that the NG was heading toward MT. Erie. This is a rare sighting- to observe a goshawk in flight- as this is now the nesting season. Bright sun- observation time about 4 minutes- elevation of hawk about 200 feet.