Whirligig Beetles (Gyrinus substriatus)
These tiny little beetles, whom we may not notice, save for the fact they like to swim in sometimes large groups on the water's surface, are in fact quite remarkable in complexity and physical attributes.
Read about a few of these here:
''Gyrinus substriatus'' is a species of beetle native to Europe, the Near East, and North Africa. This is one of the most common species of whirligig beetle.