So why are these parrots so red? The answer has to do with their biology and evolution. We know that the male and female eclectus parrots differ in coloration due to sexual dimorphism. This is thought to be an adaptation that helped the birds choose a mate more easily in the wild. By having different colored feathers, the male and female parrots could easily recognize one another, and thus increase the likelihood of successful mating. As a result, female eclectus parrots developed bright red fea