Blue Whales Make Rare Appearance Off San Francisco Coast, Prompting Warning For Ships

The Northern California coast tends to get its fair share of sightings of humpback whales and gray whales, but the largest mammals on earth, blue whales, don't do swim-bys quite so often as other species. This year, all rules are out the window.
Read more: https://sfist.com/2020/06/17/blue-whales-make-rare-appearance-off-san-francisco-coast-prompting-warning-for-ships/?source=Snapzu