The wildlife biologist told my father the Sandhill Cranes ______ through Warner were rare and vanishing creature.

【正确答案】 C

【答案解析】 动词词义辨析。根据句意：野生动物学家告诉父亲说，穿过Warner迁徙的Sandhill Crane(沙丘鹤)是濒危的稀有物种。选项中，migrate是指鸟类的定期迁徙，移居。故答案为C。