Some macro footage of very tiny ants which are nesting inside a crack in a wooden bench. I placed a ruler beside their path and their body length is approximately 1.5 mm.
They're so tiny that to my naked eyes, they appear to be like grains of sand moving in erratic motion.

Shooting info - 7D + 100 2.8 USM macro + 37 mm extension tubes, 720/59.94p capture, f/3.2, ISO 3200, 1/125 sec,
manual exposure in available light, 410 geared head/455B tripod.