South American leafcutter ants (Acromyrmex fracticornis) construct turrets for their nests by carefully selecting materials that are suitable for the job
Source:
https://www.newscientist.com/article/2256983-leafcutter-ants-choose-architecturally-sound-building-materials/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home