@misc{indiciae2a35fa3ba663, title = {Science foundation Chapter 5 Appendix 5.1: Case study shore birds: Western sandpipers ( Calidris mauri ) and American avocets ( Recurvirostra Americana )}, author = {Cheryl Strong and Joshua T. Ackerman}, year = {2015}, url = {https://pubs.usgs.gov/publication/70159399}, note = {Source identifier: 70159399} }