Their greatest threat is death from lead poisoning when they scavenge the remains of deer that have been shot with bullets that still contain the lethal heavy metal.
它们面临的最大威胁首推中毒：当它们享用被子弹打死的鹿的尸体时，其中残留的重金属对秃鹫来说是致命的。
Their greatest threat is death from lead poisoning when they scavenge the remains of deer that have been shot with bullets that still contain the lethal heavy metal.
它们面临的最大威胁首推中毒：当它们享用被子弹打死的鹿的尸体时，其中残留的重金属对秃鹫来说是致命的。
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