BBC Media|研究发现:雌性友谊对大猩猩种群意义重大
英音听力|BBC & 经济学人等
Female friendship important to gorillas
Moving from one group to another is something that shapes both gorilla and human society.
To understand more about its evolutionary origins, researchers studied decades of data on mountain gorillas in the Volcanoes National Park in Rwanda, an area that's been monitored by the Dian Fossey Gorilla Fund since the 60s.
The research team tracked the dispersal of 56 different female gorillas over the years. They discovered that the animals tended to join groups with females they knew, friends they'd grown up with or females that they'd made a social connection with more recently.
Even if two females had been apart for many years they'd often reunite when an animal moved groups. The scientists say this shows that the relationship between two female gorillas is much more socially significant than previously thought.
词汇表
gorilla [gəˈrɪlə] n. (非洲的)大猩猩
evolutionary origins [ˌiːvəˈluːʃənəri ˈɒrɪdʒɪnz] 进化起源
Volcanoes National Park [vɒlˈkeɪnəʊz] (卢旺达)火山国家公园
Rwanda [ruˈændə] n. 卢旺达(非洲中部国家)
monitor [ˈmɒnɪtə] vt. 监测,监控
dispersal [dɪˈspɜːsəl] n. 分布,扩散,散布
reunite [ˌriːjuːˈnaɪt] vi. 重逢,团聚,再结合
socially significant 具有社会意义的
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