The researchers watched the ice crawlers move silently beneath the glacier's surface.

At dusk, the backyard was alive with creepy crawlers scuttling under the leaves.

A tiny creepy crawler scuttled across the picnic blanket, sending everyone into a frenzy.

As a notorious pub crawler, Tom seemed to know every bartender in town.

A solitary wall-crawler clung to the rain-slick brickwork as it made its way up the alley.

At dusk, a wall crawler silently climbed the brick façade, leaving faint adhesive smears where its feet touched.

Web crawlers index millions of pages every day to build search engine databases.

A Web crawler scanned our site overnight and updated the search index.

The mountain pass's crawler lanes allowed heavy trucks to climb the grade without blocking faster traffic.

While crawlerizing the archive, the engineer discovered several pages with broken links.