Analgesia responses correlate with song production in non-breeding season condition males.

<p>Data shown are the latency to withdrawal the foot (in seconds) versus the total song produced by each individual. Each point represents one individual. A. Individuals in the non-breeding season condition. B. Breeding season condition individuals. Sample sizes are noted in the bottom right corner. Presence of the regression line indicates a significant correlation (<i>p</i><0.05).