Northern Resident Killer Whales (IMAGE) NOAA National Marine Fisheries Service Caption Killer whales travel in their family group for most of their lives. This family group includes a two-year-old calf (second from top), and a young-of-the-year (middle). These whales were photographed by an unmanned aerial vehicle from 100 feet. Credit Photo credit: NOAA, Vancouver Aquarium. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.