Incubation is by both parents (male does more), about 20 days. Young: Fed by both parents; leave the nest after about 18-21 days.

How can you tell if a roadrunner is a male or female?

A crest of brown feathers sticks up on the head, and a bare patch of orange and blue skin lies behind each eye; the blue is replaced by white in adult males (except the blue adjacent to the eye), and the orange (to the rear) is often hidden by feathers. Males and females have identical plumage.

How often do roadrunners have babies?

Roadrunners are monogamous and likely mate for life, with the male helping in all facets of nesting and feeding the young, including incubating the eggs at night, the researchers helped confirm. They lay about four eggs on average per nest, but the clutch size can range as high as 10.