I have always used Canon cameras and currently use a Canon 7D2 and the Canon EF 100-400 IS L lens. I use this lens for almost all my bird photos. I also have the Canon 28-135mm IS which I use for snapshots sometimes as well as the Canon 18-55mm which I use more for scenery.
Posted here on Flickr is a selection of my very best photos. mostly birds, but I'll often include some scenery pics as well.