Great shots from Yellowstone. The grizzly and her cub was probably my favorite, but I like this shot as well...otters are so quick, hard to capture! I notice you use a 400mm prime a lot..ever work with the 100-400 IS? Your thoughts on it? Hoping to cross paths with you someday in Yellowstone or the Tetons...if all works out, I want to head that way with my wife next summer.
