Still, female elephant seals are absolutely dwarfed by their male counterparts, which are typically at least three times heavier. A new analysis of a diverse array of more than 400 mammalian species paints a more complex picture.
The conventional wisdom about male size may derive, in part, from biases in scientific literature, which has disproportionately focused on mammalian species in which larger males are common, Dr. Tombak said.
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