Why Should a Female Barn Swallow Choose a Male with Long

Why should a female barn swallow choose a male with long tail feathers?

A) The long tail feathers may indicate superior flying ability.
B) The male will be able to provide her with more food during courtship.
C) The female will be less likely to compete with the male for food because he will be foraging in different parts of their territory.
D) The male may be able to better protect her from predators.
E) The female's offspring might grow more rapidly and survive better.