![]() ![]() Those females may have preferred mating with yellow-capped males rather than snow-capped or opal-crowned males.Įventually, those birds became separate enough from the two original species to be their own, distinct species: the golden-crowned manakin. This bright color made males more attractive to females. But in later generations, some birds grew yellow feathers. ![]() The offspring initially had crowns that were dull whitish-grey, Barrera-Guzmán suspects. Thousands of years ago, these two species of birds started mating with each other.
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