Barred owls take over spotted owl territory and in some cases even attack them.

横斑猫头鹰占据了斑点猫头鹰的领地，并且横斑猫头鹰在一些情况下还攻击斑点猫头鹰。

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In places like western Washington, the spotted owl population has been cut in half since the barred owl showed up.

在华盛顿州西部这样的地方，只要横斑猫头鹰一出现，这些地方的斑点猫头鹰的数量就会下降一半。

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Originally from the eastern U.S., barred owls invaded spotted owl territory in Washington state decades ago and, Merkle says, they've moved down the coast ever since.

Bill Merkle说斑猫头鹰原来栖息在美国东部地区，但他们的数十年前从东部的海岸地区向西部的华盛顿州迁徙，逐步侵入到了斑点猫头鹰的领地。

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