A new study has discovered a 'frat-boy culture' in dolphin society to rival our own.
Beyond humans, researchers say dolphins are the only species known to form such complex, cooperative 'bromances'.
Male dolphins, however, are surprisingly cooperative. Not only do males form multiple alliances, those different groups often work together to woo the lucky females.in Western Australia's Shark Bay, they found males with stronger alliances consorted with female dolphins more and had greater reproductive success.
What's more, almost all the adult male dolphins in the study also belonged to a second-tier social alliance of between 4 and 14 other dolphins. And strangely enough, these larger alliances would not always compete with other second-tier teams for female attention.When this happened, the males were much more successful at mating with females. Their cooperation, in other words, reduced competition.
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