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Q&A What causes these big gathering of ants on a sidewalk?

These look like the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America The are very common in the US, and the photo indicates the are probably having an ant...

posted 4y ago by James Jenkins‭  ·  edited 4y ago by James Jenkins‭

Answer
#4: Post edited by user avatar James Jenkins‭ · 2020-05-10T23:55:08Z (over 4 years ago)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • Your image look much like this one on Wikipedia ![Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • Your image look much like this one on Wikipedia ![Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Pavement_ants_battling_on_sidewalk.jpg/1280px-Pavement_ants_battling_on_sidewalk.jpg)
#3: Post edited by user avatar James Jenkins‭ · 2020-05-08T17:14:43Z (over 4 years ago)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • Your image look much like this one on Wikipedia [Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • Your image look much like this one on Wikipedia ![Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)
#2: Post edited by user avatar James Jenkins‭ · 2020-05-07T15:29:55Z (over 4 years ago)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • You image look much like this one on Wikipedia [Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)
  • These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)
  • The are very common in the US, and the photo indicates the are probably having an ant battle.
  • > Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)
  • Your image look much like this one on Wikipedia [Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)
#1: Initial revision by user avatar James Jenkins‭ · 2020-05-07T15:27:46Z (over 4 years ago)
These look like [the pavement ant (Tetramorium caespitum)—also known as the sugar ant in parts of North America](https://en.wikipedia.org/wiki/Pavement_ant)

The are very common in the US, and the photo indicates the are probably having an ant battle.

> Although you may see pavement ants during the day, they are most active at night. If you happen to have more than one colony on your property or another one nearby in the neighborhood—and you happen to be observing at the right time—you just might witness the unique event of an ant battle or its aftermath. Pavement ant colonies will fight for territory, and these battles can leave hundreds of dead ants on the battlefield. [Source](https://www.thespruce.com/what-is-a-pavement-ant-2656566)

You image look much like this one on Wikipedia [Battle between pavement ant colonies on sidewalk, May 2019, Mount Vernon, Washington, US](https://en.wikipedia.org/wiki/Pavement_ant#/media/File:Pavement_ants_battling_on_sidewalk.jpg)