Sorry for being very absent but I spent most of my free time to make pictures insteed of sharing them.
2 good news came at the same time :
I got my new 400 2.8 IS lens and I don't find words to describe the quality. Compared to my old 400 II USM, the weight difference is not that huge. In fact, every single improvement is a nice thing : 600g lighter, faster autofocus, 3m vs 4m min focus distance, weather sealed perfectly, better tripod foot and this incredible IS. I only miss the smooth electronic focus ring from the old one.
The 2nd good news is the trip to Scotland I made for 2 weeks. The weather was not what I really expected but I came back with some shots I really like.
Here is a puffin from the Farne islands. the weather was not perfect so I made an overexposure to make the bird a part of an incredible white background