Bright bird plumage resulted from natural, sexual selection
![Gouldian finch](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/ticker_bird_feathers_free.jpg?fit=860%2C460&ssl=1)
Natural and sexual selection play a role in the color of a bird’s feathers, a new study finds.
Peter Dunn
Natural and sexual selection play a role in the color of a bird’s feathers, a new study finds.
Peter Dunn