I have never ever seen a snowy owl in the "wild" .... that is until last weekend .. and then I saw 8 in a row. Go figure ... going to full frame has many advatages, but also a 50% disadvantage ... need more reach ...
http://farm8.staticflickr.com/7331/1...6e63aba2_b.jpg
Way more reach ......
http://farm4.staticflickr.com/3828/1...4ca2f166_h.jpg