@misc{indiciaeb4f29fcbcc91, title = {Head-bobbing behavior in walking whooping cranes ( Grus americana ) and sandhill cranes ( Grus canadensis )}, author = {Thomas W. Cronin and Matthew R. Kinloch and Glenn H. Olsen}, year = {2007}, doi = {10.1007/s10336-007-0199-0}, url = {https://pubs.usgs.gov/publication/70031398}, note = {Source identifier: 70031398} }