Appleby (1971) notes that he has never seen an intruder win one of these contests, as if the frustrated defender is so aroused by courtship that he refuses to lose his chance to mate.
Appleby (1971) indica que nunca viu que un intruso gañase estes combates, polo que parece que o defensor está tan excitado polo cortexo que que non renuncia a perder as súas posibilidades de apareamento.