| Variation in reproductive success is widely measured in seabird biology in an effort to indicate changes in the marine environment, or understand basic questions about ecology or conservation of seabirds. Trinidad in Humboldt County, California is a regionally important area along the California coast for nesting and roosting seabirds. Seabird monitoring efforts have increased in Trinidad, since 2014, in an effort to identify and monitor the key seabird breeding colonies, including annual variation in seabird reproductive success. Specifically, a Pelagic Cormorant (Phalacrocorax pelagicus) colony in Trinidad has been monitored annually, helping create a baseline for seabird reproductive success in Humboldt County, while also documenting the variation in Pelagic Cormorant reproductive success over a short period of time (2014-2017). The increased seabird monitoring in Trinidad is also part of a larger effort, the North Coast Seabird Protection Network (NCSPN). The NCSPN was initiated by the Arcata Field Office Bureau of Land Management (BLM) and Humboldt State University (HSU), and focuses not only on monitoring and research but also education and outreach. The NCSPN is an on-going program which aims to protect, monitor, interpret and restore seabird populations along the north coast. |