Long considered loners, many marsupials may have complex social lives
Previous assumptions about the earliest mammals likely being solitary may also need revisiting
![A close up photo of a squirrel glider sitting on a tree branch and looking at the camera](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/11/117122_jb_social-marsupials_feat.jpg?fit=1030%2C580&ssl=1)
Many marsupials, such as the squirrel glider (Petaurus norfolcensis) shown here, can live in a variety of social groups, such as a mating pair or a bigger group of males and females, according to a new study.
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