https://home.nps.gov/im/medn/seabird-monitoring.htm
Seabird Monitoring (U.S. National Park Service)
The Channel Islands are home to the largest seabird colonies in southern California, providing essential nesting and feeding grounds for 99% of seabirds in the...
seabird monitoringnational parkuservice
https://cieem.net/resource/seabird-monitoring-handbook-for-britain-and-ireland/?filter_topic=249
Seabird Monitoring Handbook for Britain and Ireland | CIEEM
britain and irelandseabird monitoringhandbook