PROTECTION STATUS: Not listed
RANGE: Off the coast of central California south to Baja, Mexico
THREATS: Increasing ocean temperatures, acidification, and rising sea levels due to global warming; artificial light pollution from fishing vessels and offshore energy terminals; contaminants that cause eggshell thinning; oil spills; depredation by introduced and native predators; and plastic ingestion
POPULATION TREND: Between 1972 and 1992, the largest colony of ashy storm petrels decreased by nearly half. Today, there are an estimated 5,400 breeding birds.