They may zip around looking cute and sociable, but the world of hummingbirds is rife with aggression. Now it looks like some female hummingbirds have evolved to avoid this – by adopting the bright plumage of their male counterparts.
Nope, they’ve not evolved to avoid this. Natural variation has led to some who look like this to be successful in propagation.
Evolution doesn’t do “to” it does “happenstance”.