To examine this, the Smithsonian scientists focused on American redstarts ( Setophaga ruticilla), a member of the warbler family, at a non-breeding site in Jamaica where they conduct long-term studies. 为了验证这一点,史密森学会的科学家们和牙买加科学家共同实施了一项长期研究&观察美洲红尾鸲在牙买加非繁殖地的生活。