Ground squirrels. 这是地松鼠

65. for the animals that live here.
    带来了很多麻烦
66. A Harris' Hawk.
    一只栗翅鹰
67. It has developed special techniques for hunting amongst the cacti.
    它练就了在仙人掌林捕食的特殊技能
68. Ground squirrels.
    这是地松鼠
69. Prey.
    栗翅鹰的猎物
70. At the first sign of danger
    当发现危险信号时
71. they bolt for the safety of the thorns.
    地松鼠们迅速躲进刺丛中避险

来自《行星地球 第二季 第四集 Planet Earth S02E04 沙漠》第 68 行