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- An army of invasive ants has been so disruptive to a Kenyan ecosystem that it has changed the hunting habits of a pride of lions. The big-headed ant species, which originated on the island of Mauritius, is one of the most invasive insects in the world, with colonies found at 1,600 locations, from East Africa to states across the US south.
www.independent.co.uk/climate-change/news/kenya-lions-savanna-zebras-ant-b2485594.htmlHow an army of big-headed ants saved zebras from hungry lions ...
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What is an army ant?
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The name army ant (or legionary ant or marabunta [1]) is applied to over 200 ant species in different lineages. Because of their aggressive predatory foraging groups, known as "raids", a huge number of ants forage simultaneously over a limited area.
Feb 22, 2021 · Anyone who has spent time in tropical forests is familiar with army ants. Massive sheets of ants ooze through the forest, the slowly advancing edge creating a pandemonium of fleeing arthropods.
- John T. Longino
- 2021
Nov 30, 2010 · Army ants have a reputation as destroyers. As they march through the jungle in battalions several thousand-strong, they supposedly kill all in their path. But this infamy is overblown. There’s...
- History of Research
- Research Techniques
- Weaponry Evolution
- Make Love, Not War
- Soldiers vs. Army Ants
- Army Ants vs. Leaf Cutters
- Current Research
- Open Questions
The Ant Wars were known and first recognized even before modern biologists became interested in this phenomenon. For example, even Charles Darwin wrote about conflicts between ants. There are references to the success of ant societies in the Bible because people were interested in and observing this phenomenon for thousands of years. In part, ant w...
Ants are social insects, and the usual situation in insect societies is that a colony is a cohesive unit and it has some level of genetic integrity. In other words, there is a familial structure that holds the colony together, although that structure can be somewhat complicated. The colony develops the ability to distinguish and recognize all its c...
Ants are ancient insects; they have been present since long before the breakup of the supercontinent of Gondwana. That goes back more than 100 million years, and ants have been around for quite some time before it happened. Of course, Ants were engaging in Wars for many tens of millions of years, if not even on the order of the hundreds of millions...
There is an interesting phenomenon that has almost certainly been affected by human habitat change. What we are seeing now has happened repeatedly around the world – intrusions by invasive ants. When an invader insect gets introduced into a new habitat by humans, it can spread massively, and it can achieve densities that are completely unprecedente...
Soldiers are a special type of ants within colonies of some species of ants. Soldiers are a part of the workforce that specializes in defense. Not all ant species have soldiers. Most ants only have one worker type. For the species that do produce specialized soldiers with large bodies, those soldiers differ in behavior from the rest of the workers....
One species of AA in the new world tropics, with some regularity, invades mature colonies of leaf-cutter ants. AA and leaf-cutter ants in the new world tropics are two pinnacles of ant evolution in the sense that they have very large colonies, are highly socially sophisticated, and have lots of division of labor. When AA attack mature leaf-cutter a...
There’s a lot of interest in the biology of invasive ants. Researchers have begun to recognize that learning how the colonies do or don’t engage in conflict can help us understand biological invasions and the negative impacts that they could have. Some of these invasive ants are causing huge ecological problems, not only for humans but for the disr...
From researching paper wasps in 2015, we’ve learned that there is a big shift in brain structure, in brain investment when you go from solitary species to social species. This potentially supports the notion that when you become social, your demands on individual brain power and cognition go down because you can share the information and integrate ...
Feb 6, 2023 · Top row (invasion capacity) summarizes the diversity of species (and subspecies) for the global pool of ants (all ants [native]) and for 520 alien ant species in three levels of invasion capacity and biosecurity threat that increase from left to right.
Mar 1, 2023 · Flocks of birds eat their fill as the ant army advances, taking some of the ants’ victims for themselves. Behavioral scientists call the ant birds’ strategy kleptoparasitism—freeloading ...
Dec 1, 2011 · Shock and Awe. The tactics ants use in war depend on what is at stake. Some ants succeed in battle by being on the constant offensive, calling to mind Chinese military general Sun Tzu’s...
