A well-known orca family was spotted putting on an epic aerial display for whale watching tourists off the coast of San Juan Island, Washington, on Tuesday.

Traci Walter of Western Prince Whale Watching—operating out of Friday Harbor, 90 miles north of Seattle—captured video of what she called “an epic Steller sea lion hunt.”

The orca family is known as the T123’s, as reported by KOMO News. Walter identified the orcas as Sidney, the 32-year-old mother, and her son Stanley, age 17, and daughter Lucky, age 5.

Writing in the YouTube post, Walter indicated the exercise was a teaching moment. She wrote: