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.
Snipping Tool is amongst the other famous tools of Windows operating system that allows you to Capture a copy of anything that happens on your screen. Windows 10 has also a Snipping Tool option with which you can Capture a snapshot of any happening on your screen.