In the SeaWorld Adventure Park system, one male successfully mated at approximately 7.5 to 8 years of age. In the wild, social factors greatly influence a male's breeding success. Males may not successfully reproduce until they are much older, larger, and more able to compete with other males. B. Mating activity. Killer whales are considered polygamous as they tend to mate with any number of partners.
Females come into estrus or 'heat' several times during the year.
This period is highly variable, as is the period of non-cycling, both for one whale over time, and between whales. Breeding may occur in any season, but it is most common in the summer. All Rights Reserved.