The four North American species (genus Gopherus) have a brown shell, about 8-14 in. (20-35 cm) long, and flattened forelimbs adapted for burrowing.
四种北美的品种有棕色的甲壳，长约20 ~35公分，前肢扁平，适于掘洞。
The four North American species (genus Gopherus) have a brown shell, about 8-14 in. (20-35 cm) long, and flattened forelimbs adapted for burrowing.
四种北美的品种有棕色的甲壳，长约20 ~35公分，前肢扁平，适于掘洞。
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