NewScientist states"Hens with bigger 'hairdos' get more

think you'd best try it out Jelly, just to be sure.

Hens with bigger 'hairdos' get more sex

Generally, the most vigorous males, those which are best fitted for their place in nature, will leave the most progeny. But in many cases, victory depends not on general vigour, but on having special weapons, confined to the male sex. A hornless stag or spurless cock would have a poor chance of leaving offspring.
                                                                                                                 Charles Darwin, The origin of the species