During the 1970’s, a mammalogist and conservation biologist named Katherine Ralls was among the first to take a real scientific look at this narrative and push back against this idea that most male mammals are larger. Ralls found evidence that most mammals do not have an extreme dimorphism. More typically, the female members of the species are the same size as the males. Larger females are surprisingly common in nature. According to Tombak, Ralls has also been commonly misquoted as supporting the larger male narrative.