@article{flappyhummingbirdanopensourcedynamic,
  title = {Flappy Hummingbird: An Open Source Dynamic Simulation of Flapping Wing Robots and Animals},
  author = {Fan Fei and Zhan Tu and Yilun Yang and Jian Zhang and Xinyan Deng},
  year = {2019},
  eprint = {1902.09628},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1902.09628v1},
}