Believe what you want. But I think they're dolphins. Orcas have dorsal fins while whales don't. And, supporting Sea World here, the reason their dorsal fins are down, is because the water is really thin, so they don't need their dorsal up when swimming. Sea water is thick, so they use their dorsal to cut through the water to swim faster and easier. (SCIENCE! BIOLOGY! FACTS!)
Believe what you want. But I think they're dolphins. Orcas have dorsal fins while whales don't. And,
