Focus-Science and Technology - - DISCOVERIES -

What did they do?

Re­searchers from the Uni­ver­sity of Wis­con­sin-Madi­son lis­tened in on the coos, chirps and barks be­tween cou­ples of Cal­i­for­nia mice be­fore and after one of them had been taken away to be ‘un­faith­ful’ by mat­ing with an­other mouse. In the wild, Cal­i­for­nia mice that have bonded with a part­ner stay to­gether for life or un­til one of them dies.

What did they find?

All of the mice be­gan bark­ing ag­gres­sively when first re­united, but some quickly re­turned to the softer style of com­mu­ni­ca­tion seen be­fore the sep­a­ra­tion. Fur­ther­more, the more ag­gres­sive cou­ples were less likely to pro­duce off­spring, and when they did the males were less at­ten­tive to the pups.

Why did they do that?

The team wanted to in­ves­ti­gate if the way that the mice com­mu­ni­cate re­flects how they bond and form re­la­tion­ships.

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