1. Everyone is familiar with killer whales.
2. They are lovable, friendly, fish-eating friends.
3. They have captivated our heart at times.
5. Well there is something about killer whales you might not have known.
6. Killer whales are ACTUALLY DOLPHINS.
8. Yup, killer whales are part of Delphinidae family which makes them dolphins, not whales.
9. So it turns out these “killers” have always been more Flipper than they are Monstro.
Disney / Via disney.wikia.com