To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Representative bumblebee flight trial for the VORT condition (abdominal load treatment). Nectar vs. pollen loading affects the tradeoff between flight stability and maneuverability in bumblebees Andrew M. Mountcastle, Sridhar Ravi, and Stacey A. Combes PNAS. 2015. DOI: 10.1073/pnas.1506126112 Download Original Video Browse All Videos »