Proportion of couples exhibiting each behavior. A total of 12 homospecific encounters were photographed (seven between D. aff. auriculatus and five between D. conanti [SL]). Fourteen heterospecific encounters were also photographed (eight between a male D. conanti [SL] and female D. aff. auriculatus, and six between a male D. aff. auriculatus and female D. conanti [SL]).