A woman sailing a yacht in the Mediterranean Sea filmed a frightening encounter with a huge orca, which attacked her vessel by repeatedly banging into it. | ABC News

Most of our observations so far have been done above water. This winter, we'll be collecting underwater footages for better insights into feeding behaviours. This video shows orcas actively feeding on discards around herring boats. #Norwegianorcasurvey | Norwegian Orca Survey

Seeing a pod of orcas working together during carousel feeding is truly one of natures most impressive & humbling displays to witness underwater. We are down to these spaces for this coming season. - 22 – 29 Nov 2017 (2 spaces) - 22 – 29 Jan 2018 (3 spaces) For more information please visit https://arcticfreediving.com/ or send us a message for pricing, availability & bookings. | Arctic Freediving - Freedive With Orca

Bonding between a young orca & pod mate as they share a meal 💙 Orcas have a highly sophisticated communal intelligence, learning from each other, sharing meals & working with each other. Culture is a defining characteristic of their nature & success. 🎥: @dolphindronedom aboard Oceanic Expeditions in Monterey Bay | Ocean Conservation Research - OCR

Stunning drone footage of an incredible orca encounter! | storyful