It is home to the largest group of wild animals in the lower 48 United States.
它是美国本土48个州中最大群体野生动物的家园。
Yellowstone is widely considered to be the finest megafauna wildlife habitat in the lower 48 states.
人们广泛地认为黄石地区是美国本土48个州最好的巨型动物群的野生生物栖息地。
Will wolves disappear again from the lower 48 states if they are not federally protected by the Endangered Species Act?
如果狼群不受美国联邦制定的《濒临灭绝物种法》的保护,狼会消失吗?
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