The Giant Mayfly is a subspecies of Mayfly, common in the Eastern United States. This insect is mostly common in the summer months. It is one of the largest types of Mayfly you will ever see. They lay their eggs in the water.
Snipping Tool can be used only as a screen shot, or snip, of any object you see on your screen. So, snipping tool cannot scroll. You might have to scroll down the screen and then use the tool.
The Snipping Tool is a program that is part of Windows Vista, Windows 7, and Window 8. Snipping Tool allows you to take selections of your windows or desktop and save them as snips, or screen shots, on your computer. In the past if you wanted a full featured screen shot program you needed to spend some money to purchase a commercial one.