SortStack #1142 — 2029-07-25

By speed · Order from slowest to fastest.

1. A foraging ant 800 m/h

   Ants leave scent trails so nestmates can retrace the exact path to food, like an invisible chemical map.

2. A housefly in flight 6.8 km/h

   A housefly tastes with its feet, so it can decide whether something is food the moment it lands on it.

3. A migrating monarch butterfly 8 km/h

   Monarchs migrate thousands of kilometres to the same forests their great-grandparents left, guided by instinct alone.

4. A honeybee in flight 22 km/h

   Bees communicate the direction of flowers by dancing, encoding distance and angle in their waggling moves.

5. A swordfish 102 km/h

   A swordfish has special organs that heat its eyes and brain, sharpening its vision in cold, deep water.

6. A bullet train at full speed 330 km/h

   Japan's bullet trains have a near-perfect safety record, with average delays measured in seconds, not minutes.

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