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Dolphins form friendships through common interests like us, studies find



  Dolphins form friendships through common interests like us, study finds
Bottlenose dolphin with a sponge in Shark Bay. Credit: Simon Allen

When it comes to friends, dolphins seem to be like us and form close friendships with other dolphins who have a common interest. The results published in The process of the Royal Society B by an international team of scientists from the universities Bristol, Zurich and Western Australia, provide further insight into the social habits of these remarkable animals.


Shark Bay, a World Heritage Site in Western Australia, is home to an iconic population of the river's dolphins from the Indo-Pacific region and the only place where dolphins have been observed using marine fungi as feed materials. This learned technique, which goes down from generation to generation, helps certain dolphins, "mushrooms," find food in deeper water channels. While the tool-used technique is well-researched in female dolphins, it specifically examined male dolphins.

Using behavioral, genetic and photographic data collected from 1

24 male dolphins during the winter months in Shark Bay over nine years [2007 to 2015]the team analyzed a subset of 37 male dolphins consisting of 13 fungi and 24 non-fungi.

Male pongers spend more time with other fungi than the non-fungi, as these bonds are based on similar feed techniques and not related or other factors.

Dr. Simon Allen, co-author of the study and senior researcher associated with Bristol's Biological School, explains: "Foraging with a sponge is a time-consuming and largely lonely activity, so it was long believed incompatible with the needs of the male dolphins in Shark Bay – investing time in form close alliances with other men, this study suggests that men like dolphins, like their female colleagues and human dolphins, form social bonds based on common interests. "

  •   Dolphins form friendships through common interests like us, study finds [19659009] Bottlenose dolphin with a sponge in Shark Bay. Credit: Simon Allen
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      Dolphins form friendships through common interests like us, studies find
    Bottlenose dolphin with a sponge in Shark Bay. Credit: Stephanie King

The study gives new insight into gay behavior in the social network of tool-helping dolphins.

Manuela Bizzozzero, lead author of the study at Zurich University, added: "Male dolphins in Shark Bay exhibit a fascinating social system of embedded alliance formation. These strong bonds between men can last for decades and are crucial for every man's mating success. were very excited to discover alliances of fungi, dolphins form close friendships with others with similar traits. "


Dolphin eating habits distinguish the genetic line


More Information:
Utility and social gay among male bottlenose dolphins, Royal Society's Bargaining rspb.royalsocietypublishing.or … .1098 / rspb.2019.0898

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University of Bristol

Citation :
Dolphins form friendships through common interests like us, study finds (2019, June 11)
June 12, 2019
from https://phys.org/news/2019-06-dolphins-friendships.html

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