Is a behavior in mating in which one male breeds with a female for a certain period of time and then finds a
different mate the following mating season.
monogamy
serial monogamy
polygyny
polyandry

Serial Monogomy

Explanation:

The behavior in mating in which one male breeds with a female for a certain period of time and then finds a different mate the following mating season. It is defined as a succession of short monogamous relationships or the practice of having a number of long-term romantic or sexual partners in succession.

Read through this question WAY to fast and answered Incorrectly based on males with multiple partners=Polygyny. But the question was worded as successive partners, not multiple at the same time/during same mating season.   my bad