Recently, Killer Whales shed light on the benefits of unique reproductive procedure.
According to the study printed in the Journal Current Biology, post-menopausal female killer whales are extremely useful source of knowledge for the young ones. Hence, they enjoy leadership role in their pods after menopause.
Normally, female Killer whales give birth to calves till the age of 40. In comparison, their average life span is nearly 90 years
Female Killer Whales uses their decade long experience to direct young whales in every aspect of their life especially food. In other words, they increase survival chances of their pods from their life experiences.
British researchers examined around 102 Killer Whales for this purpose. The main aim of the study is to find out the whether post menopausal whales work as leaders in group movements. They closely analyzed thousands of whales’ photographs in order to observe their movement pattern. Afterwards, they re-analyzed the previous study regarding the influence of menopausal mothers
Astonishingly, the outcome of the research reveals that females are expected to become leaders more than males. Leadership of old female Killer Whale is extremely beneficial for younger whales.
Earlier, people used to believe that life of a whale after menopause is useless. If a whale can longer reproduce offspring, then what is the purpose of their lives? However, the latest study reveals numerous advantages of post-menopausal Killer Whale.