Pack (canine)
Animals which typically predominate over others are associated with the term "alpha". Among pack-living wolves, alpha wolves are the genetic parents of most cubs in the pack. Such access to mating females creates strong selective pressure for intra-sex competition.
Blood &amp; Chocolate (film)
Orphaned, Vivian moves back to Bucharest to live with her aunt, Astrid (Katja Riemann). Astrid is the current mate of the werewolf pack's leader, Gabriel (Olivier Martinez). To Astrid's distress, Gabriel leaves her after seven years to choose a new mate, in accordance with pack law. A few months later, Gabriel reveals that he wants the reluctant Vivian as his mate.