From boingboing which posted a link to this page with an amazing drone video of gray whales, blue whales and a huge pod of dolphins.

https://www.youtube.com/watch?v=Bo_f8m…

The gray whales include mothers with babies, and apparently the is a whale guide which allows whale watchers to identify individual whales. They were able to identify one of the whales that had been playing with dolphins a year or two ago in another (non-done) video;

And the whales don't seem to be bothered by the drone.