Source: priaprameshwara
In contrast, females are not so extravagant in plumage. They have brownish coloring with a darker blue crown than the males of their species. Mentioning the appearance of female Wilson birds, the bird fan blog Just Birding once said:
"Don't feel bad for the drab female because it is this sexual dimorphism that gives her the power to judge the male's appearance and choose whether he will make a proper father for her offspring, genetically speaking."