REVIEW PAPER Daniel Airola* Conservation Research and Planning, Sacramento, CA, USAhttps://orcid.org/0000-0001-6725-4230 *Corresponding Author: d.airola@scglobal.net Published 28 March 2024 • doi.org/10.51492/cfwj.110.2 Abstract The purple martin (Progne subis) has declined substantially in numbers and geographic range since the 1980s. Surveys and monitoring are needed to better understand the status of the species, in order to set conservation … Continue reading Survey methods for the purple martin in California