The pictures of sea turtles were taken at Turtle Site of Kaloko-Honokohau National Historical Park. Spotting turtles on the sand or rocks is usually straightforward, but during my visit, they were all underwater. They were hard to discern because their shells blended in with the small, smooth rocks and shared the same hue as the surrounding stones. Even though I managed to spot them, the reflection of the water made photographing challenging. In this case, a polarizer became handy.

On another note, my wife and I joined a tour for dolphin and whale watching. Carrying a heavy 600mm lens made it impractical to have my camera constantly ready for action. When a humpback whale jumped out of water, I hurriedly lifted my camera and managed to snap a series of shots, yet I only succeeded in capturing the whale's tail as it re-entered the water. Conversely, using just her light-weight smartphone, my wife was able to quickly capture the whale as it leaped from the water, showcased in the last two photos.