"A series of skittering noises answered the yell. Like a thousand dry ballpoint pens being scritched across paper, digging for ink that had long since run out. A waterfall of noise and motion. It took him a second to realize what he'd just done, and then the first (strider) crested the cubicle wall." (The Daily Grind by argusthecat) Instinct: To feed

• SWARM
• They are attracted to sound and swarm prey in large packs