New research shows a “striking” display of tranquility between animals scientists usually consider rivals.
In the summer of 2013, dolphin researcher Nicole Danaher-Garcia spotted something rare and remarkable in the animal world. As she stood on top of the bridge of a sport fishing yacht near Bimini in the Bahamas, she spied 10 adult Atlantic spotted dolphins she had never seen before—speeding into the waters of another group of dolphins.
It’s a “striking” display of tranquility between animals scientists usually consider rivals, says Richard Wrangham, a primatologist at Harvard University who was not involved with the study. Most mammals fight to protect mates and other resources if they encounter strangers entering their territory, he notes. This research, he says, may ultimately lead to a better understanding of the evolution of peacefulness.
The scientists discovered the newcomers had migrated from Little Bahama Bank, an area some 160 kilometers to the north known for its shallow seas, coral reefs, and sand banks. They were part of thethat another scientific team has been studying since the mid-1980s. . However, the male Bimini dolphins behaved more like bonobos, primates that are known for their usually peaceful relationships with neighbors. Not only did male and female dolphins from the two groups get along, the local males became chummy with the outsiders.
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