Scientists Have Discovered a Rare Alliance between Two Dolphin Societies.

Researchers, on the other hand, found a scenario in which this wasn't the case with spotted dolphins.

This species and "perhaps other ecologically related dolphins" seem to have "diminished" antagonising tendencies, according to data published in the Royal Society Open Science journal.

This is the first time that two groups of Atlantic spotted dolphins in the Bahamas have interacted with each other since they were separated by a deep canal and 160 kilometres (99 miles).

 Those who lived in the Bimini region were separated from those who lived in the White Sand Ridge (WSR).

For five years, the two groups were studied by researchers.

"Many WSR immigrants were spotted mingling with Bimini dolphins," the research concluded at the time.

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