This study compares systematic versus exploratory search strategies for locating rare plants. Surprisingly, both methods performed equally, with low detection overall. Challenges such as navigation difficulty and multitasking may explain the results. The findings highlight the need for improved search methods to better identify and protect rare, threatened plant species.
Bumblebees navigate complex environments by using optic flow—the motion of images across their eyes—to estimate speed and detect obstacles. Unlike other insects that rely on lateral optic flow, bumblebees monitor the frontal-lateral field to see hazards earlier. This research reveals how bees avoid collisions and informs bio-inspired flight control.