Mammals that live in groups may live longer, longevity research suggests
Genetic analyses also suggest mammals’ social lives and life spans are evolutionarily linked
![A cluster of greater horseshoe bats hanging upside down in a cave](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/02/020223_jb_groupmammals_feat_REV.jpg?fit=1030%2C580&ssl=1)
Greater horseshoe bats (Rhinolophus ferrumequinum) live in groups and live long lives, sometimes surviving up to 30 years.
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