Leafcutter ants such as Atta sexdens or Acromyrmex lobicornis face two major challenges when they leave the safety of the nest to forage: choosing the best plants from which to collect leaves and avoiding being surprised by strong winds or heavy rain, which would prevent them from carrying out their task.
Click here for original story, Leafcutter ants accelerate the cutting and transport of leaves during stormy weather
Source: Phys.org