Fact Sheet: Yellow Crazy Ants in Australia, May 2022

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Yellow crazy ants are one of the world’s worst invasive alien species. Once established super colonies, they swarm aggressively and destroy entire ecosystems, killing most other invertebrates and small animals. Yellow crazy ants have been observed to silence entire forests, and each super-colony can host hundreds if not thousands of queens.


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Tasmania’s Wilderness World Heritage Area is under increasing threat from growing numbers of feral deer.

The Tasmanian Government knows deer are invading this global treasure, and must act.​