Tinbergen's male stickleback fish would attack models of other males if the models had

Question

Quizplus · Accepted Answer

Tinbergen's experiments with stickleback fish demonstrated that the males would aggressively attack models if they featured a red underside. This is because the red belly is a characteristic of breeding males, which triggers territorial aggression in other males. The other features listed do not specifically trigger the same aggressive response related to territorial or mating competition.

Tinbergen's Male Stickleback Fish Would Attack Models of Other Males