Sequential Load Transport in Grass-Cutting Ants (Atta vollenweideri): Maximization of Plant Delivery Rate or Improved Information Transfer?

Figure 6

Distance at which first carriers in a transport chain transferred their fragments, for the different fragment qualities assayed. Bars indicate how many loads of a specific quality were transferred within a distance category (bin width 2 m). Fragments were offered and collected at “0 meters,” and 100% refers to all transferred fragments of a given quality. Trail length was 33 m. High-quality fragments were dropped at a significantly shorter distance than low-quality fragments (statistics in text).