To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Male D. melanogaster chasing dummies painted grey, black, or white. Videos of example chases are provided. All chases are with a 1.6 × 1.6 × 0.8 mm3 dummy moving at 5 mm s-1. The movie has been sped up 3×. The effects of target contrast on Drosophila courtship Sweta Agrawal, and Michael H. Dickinson Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.203414 Download Original Video