Despite a common narrative that male mammals tend to dwarf female ones, fewer than half of mammalian species display that pattern, a new study suggests. By Emily Anthes Female elephant seals are not ...

A study of nine species of large mammals in the Greater Yellowstone Ecosystem has revealed that their behavioral responses to ...

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The 42-million-year-old predator, with its cat-like appearance and elongated fangs, was a sign of things to come. reading time 4 minutes Mammals with a nearly exclusive preference for meat are ...

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study. Researchers from Germany, Denmark, France, Hungary and Belgium analyzed ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...