What anatomical features are unique to male chickens besides feathers?

The anatomical features that are unique to male chickens indeed include larger combs and wattles, distinct coloring, and the presence of spurs. Males typically have a more pronounced comb and wattles, which are not only larger but also contribute to their ability to attract females and establish dominance within their flock. Additionally, the coloring of male chickens is often more vibrant compared to females, which serves as a visual cue in mating displays. Spurs, which are bony protrusions on their legs, are another characteristic unique to males and are used for defense and establishing hierarchy among roosters.

The other options describe characteristics that do not typically apply to male chickens. For example, smaller beaks, longer tails, and muted colors generally align more with females or less dominant males. The suggestion of shorter legs and simpler coloration does not accurately reflect the more flamboyant nature of male birds in terms of appearance. Lastly, features such as broader heads and longer wings might not be distinctly characteristic of males and could apply to various breeds without being exclusive to gender. Thus, the combination of larger combs, more vivid colors, and the presence of spurs accurately highlights the unique anatomical traits of male chickens.