Social anthropologists have hijacked this evolutionary nomenclature to describe different types of personalities ...

On the Howstuffworks website, for example, you can read that wolves follow "an incredibly sophisticated group hierarchy ... The pack structure is said to include a "beta wolf" who is the deputy ...

The wolf pack is a fundamental unit within the natural hierarchy of these apex predators. Typically, a wolf pack consists of the breeding pair—the alpha male and female—and their offspring.

In every pack there’s a male and female wolf that rank higher than the others ... Previously, it was thought that the alpha pair ascended the pack hierarchy through dominance and aggression ...