Where do Swainson's hawks winter? Satellite images used to identify potential habitat

@article{Sarasola2008WhereDS,
  title={Where do Swainson's hawks winter? Satellite images used to identify potential habitat},
  author={Jos{\'e} Hern{\'a}n Sarasola and Javier Bustamante and Juan Jos{\'e} Negro and Alejandro Travaini},
  journal={Diversity and Distributions},
  year={2008},
  volume={14},
  pages={742-753}
}