To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Loading lift video of Eurasian tree sparrow (Camera 2 for amplitude and wingbeat frequency set at 250 fps). Flying high: limits to flight performance by sparrows on the Qinghai-Tibet Plateau Yan-Feng Sun, Zhi-Peng Ren, Yue-Feng Wu, Fu-Min Lei, Robert Dudley, and Dong-Ming Li Journal of Experimental Biology 2016. 219:3642-3648; doi: 10.1242/jeb.142216 Download Original Video