It would dive down in the water for moderate periods of time.
Not sure which type of Cormorant.
Vasona Lake County Park, Santa Clara County, CA, 2019-10-09
Species of special concern (SSC) in California per California Natural Diversity Database program (CNDDB) in the California Department of Fish and Wildlife.
Conservation Status: vulnerable (VU, S3) in California, US (NatureServe)
(Guadalupe River Trail)