Mature wife dominates husband flickr
Instead, she goes for the extremes--choosing either one of the snazziest-looking potential mates or one of the drabbest. That's because the best territories go to the blandest or the brightest male birds, according to a new study. The unusual situation--the two extremes being favored over the middle--is a rare case of sexually selected male-male cooperation, the researchers report in the 26 October issue of Nature. In the bird world, it's often the guys who are the head-turners.