Large ground squirrels called yellow-bellied marmots live much longer, on average, if they are less social and more isolated than if they are more social and less isolated, a UCLA-led long-term study has found.
Large ground squirrels called yellow-bellied marmots live much longer, on average, if they are less social and more isolated than if they are more social and less isolated, a UCLA-led long-term study has found.