@misc{indiciaea014d236d1b3,
  title = {Fecal corticoid monitoring in whooping cranes trained to follow ultralight aircraft},
  author = {B.K. Hartup and Nancy M. Czekala and Glenn H. Olsen and J.A. Langenberg},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/5211364},
  note = {Source identifier: 5211364}
}