We the people know all about the benefits of having grandparents live close to the
It means that, they can assist with babysitting, help when the heat is on, and, not least, bailing out of their wisdom on all facets of life.
Now, suggests a new study on this phenomenon, as researchers in evolutionary biology have dubbed the ’granny effect’, is not confined to the people.
According to The New York Times experience young killer whales also benefits by having their grandmothers around. It writes Science.dk.
the Study, which has been published in the Proceedings of the National Academy of Sciences, have found that the presence of an old and show killer whales increased the young spækhuggeres chances to survive, especially when food was scarce.
to assess the survival rates for killer whales in the lean years studied, the researchers data about two populations of killer whales, which keep to the coast of the u.s. state of Washington and the canadian province of British Columbia.
Additionally looked the researchers also on how many fish were caught by the salmon fishing in the northwestern part of the Pacific ocean, writes The New York Times.
The new findings can help to shed light on what until now has been a bit of a mystery: Why more species live in many years, after they have come in the menopausal and not child bearing more.
According to The New York Times investigation revealed that ’bedstemorhvaler’, when they stopped to get young and therefore did not come into conflict with their own offspring – helped the young whales find the salmon, when the salmon fell.
“to have a grandmother who is alive, increases the chances of survival. Spækhuggerne is not so likely to die, when grandma is alive, as they are in the years after her death,” explains the study’s lead author and evolutionary ecologist, Stuart Nattrass, who is affiliated with the University of Hull, to the New York Times, according to Science.dk.
The new study is particularly important, since, according to the estimates is approximately of 50,000 killer whales left in the world.
the Researchers stresses that it is vital to protect older orca females, who are in menopause and can’t get chicks, if you need to reverse the negative development.
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