<p>Multiple killer whales displayed their playful side near Monterey, California, on May 11.</p><p>This drone footage shows the orcas breaching and “pec slapping” in the waters off Monterey, California, on May 11. Pec slapping</a> is when whales and dolphin species lift and drop their pectoral fins into the water while leaning on one side of their bodies.</p><p>Nancy Black, the owner of tour company Monterey Bay Whale Watch, said the killer whales became “social” after feeding on a gray whale calf.</p><br />
