In birds, wattles are often an ornament for courting potential mates. Large wattles are correlated with high testosterone levels, good nutrition, and the ability to evade predators, which in turn indicates a potentially successful mate.
In birds, wattles are frequently used as a visual cue for attracting a mate. Large wattles are linked to high testosterone levels, good nutrition, and the ability to evade predators, all of which can signal a potentially successful mating opportunity.