Last night I mentioned that a large number of Harbor Porpoises (Phocoena phocoena) were visible off Bodega Head yesterday. Although the porpoises were far from shore (~1-2 km), making photographing them a challenge, I wanted to include a few photos for the record.
I estimate that more than 100 Harbor Porpoises passed by Bodega Head between 10:30-11:30 a.m. on 12 March 2022. Although there was some back-and-forth movement, they were primarily swimming south. The group sizes ranged from 2 to more than 15 individuals; groups of 6-8 individuals were common.
In my experience, it's unusual to see so many Harbor Porpoises at one time. From Marine Mammals of the World: "Most harbor porpoise groups are small, generally consisting of less than five or six individuals. They do, at times, aggregate into large, loose groups of 50 to several hundred animals, mostly for feeding or migration." (Jefferson et al. 2015)
You can click on the images for larger versions: