What is the difference between female and male roadrunner?

The main physical difference between male and female roadrunners is their size. Male roadrunners are typically larger than females, with an average weight of 14 ounces compared to the female's average weight of 12 ounces. Male roadrunners also have longer tails than females, with an average tail length of 16 inches compared to the female's average tail length of 14 inches.

In terms of coloration, male and female roadrunners are very similar. Both have brownish-gray upperparts, white underparts, and blue and black feathers on their heads. However, male roadrunners tend to have brighter and more iridescent blue feathers on their heads than females.

Additionally, the calls of male and female roadrunners differ slightly. Male roadrunners have a longer, more complex song than females. Their song includes a variety of sounds, including whistles, clucks, and chatters. Female roadrunners have a shorter song that is less varied than the male's song. Their song primarily consists of short, repeated notes.