McKechnie and his colleagues have studied hummingbirds at extreme elevations in the Peruvian Andes.

麦凯尼和同事研究了秘鲁安第斯山脉极端海拔地区的蜂鸟。

McKechnie and his colleagues have studied hummingbirds at extreme elevations in the Peruvian Andes.

McKechnie 和他的同事研究了秘鲁安第斯山脉极端海拔地区的蜂鸟。