To impress females, males circle them with tail spread and wings raised.

The largest, golds (the primary progenitors of the next generation) were tweaked so they would only Impress females.

Initially he failed to impress females and didn't have much in common with them.

Males probably used these horns for display, impressing females and/or intimidating rivals.

Although they were ill-suited for combat between males, they were ideal to intimidate rivals or impress females.

Males typically evolve either traits to help them fight other males or traits to impress females.

However, its most likely use is to impress females, as an indication of the fittest mate.

According to the original article, Da Fei Ji is a species of bird that likes exercise, and the males use neck spasms and spit out a white secretion to impress females during mating seasons.

In the more-good-news-for-girls department, we saw how male crickets sing by moving their wings, and how grasshoppers scrape their legs against their bodies, in both cases to impress females.

When they weren't hunting, they could usually be found lounging about on the sunning platform with others of their kind, either attempting to impress like-minded females or comparing wing-muscles.