In places like western Washington, the spottedowl 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。
2
Barred owls take over spottedowl 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。
3
Originally from the eastern U.S., barred owls invaded spottedowl 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。