Ants Marching in a Death Spiral [Video]

By Akemi Iwaya on September 15th, 2010

An unusual event to witness, the death spiral (a.k.a. circular milling) occurs when ants get separated from the colony and start following the pheromone trail of other ants in a circular pattern. The ants will continue the death spiral until they die from exhaustion (unless a lucky few manage to escape).

Ants Circle [via Geeks are Sexy]

Here is a second video of this phenomenon that we found for you.

dancing ants [YouTube]

Want to know more? See this interesting bit of information about a 1,200 ft. circumference ant death spiral observed in 1921.

Ant Death Spiral [The Ant Room]

Akemi Iwaya is a devoted Mozilla Firefox user who enjoys working with multiple browsers and occasionally dabbling with Linux. She also loves reading fantasy and sci-fi stories as well as playing "old school" role-playing games. You can visit her on Twitter and .

  • Published 09/15/10
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