Are Orcas actually whales?

Are Orcas actually whales?

Orcas, known as killer whales, are, in fact, members of the same family as dolphins (the toothed whales family of oceanic dolphins). The Blue, the Gray, and the Fin whales belong to the family Balaenidae, AKA the right whales._x000D_

Can orcas make a meal out of an adult blue whale?

_x000D_In a paper published Jan. 21, 2022, in the journal Marine Mammal Science, scientists confirm for the first time through firsthand observation the first three records of groups of killer whales killing and eating blue whales near Southwestern Australia. While Blue whales are commonly between 70 and 80 feet and weigh up to 150 tons, Orcas can reach lengths of 30 feet and weigh up to four tons.