As you know, nature photography isn’t easy. Most of us get excited when we simply see wildlife or a gorgeous landscape. But simply seeing it isn’t why we photograph. We lug our gear and tripods, travel great distances and keep crazy hours because we want the perfect shot. The number of times we encounter perfection is few and far between. But we don’t despair—if perfection isn’t achieved, we persist, head back out and try again. The lure is the challenge. We keep trying because it’s what we love to do. In this week’s tip, I present 10 of my top criteria toward which we should strive to capture…