Movie 3.

Reconstructed motion of the animal. Overhead view of animal traversing a sparse pillar field (left) and its reconstruction (right). Transparent green ellipsoid (left) and brown ellipsoid in (right) show reconstructed animal body. Red and blue dots show tracked antenna tips. Yellow dot shows tracked point on head. Dashed cyan circle (left) is the base of the detected pillars with which animal antenna is interacting.