If you live on the West Coast then you need to know these FIVE FACTS ABOUT ORCAS: 🐋 1. Orcas have been roaming oceans for approximately six million years! That’s 30 times longer than humans! 2. Orcas have the second largest brain of any animal in the world. 3. Every orca is individually identifiable because they each have a unique dorsal fin and saddle patch. 4. Southern resident orca, J-2 aka Granny, was the oldest known orca in the world. She lived to be 105 years old. 5. Orcas are some of th

The orcas have arrived to hunt dolphins. "The Ocean’s Greatest Feast" premieres Wednesday, February 16th at 8/7c on PBS. [VID: They're here to hunt dolphins. Not chasing anymore, but running. The orcas are not only more powerful, they have more stamina. Just as the dolphins corralled the fish, now the orcas work the dolphins. They isolate one from the pod. Once they've locked onto their target, they tag-team, chasing it, exhausting it, then ramming it.] | Nature | PBS