The barred owl has a very distinctive call.

横斑林鸮的叫声非常独特。

Barred owls are native to the eastern U.S.

横斑林鸮是美国东部的本土鸟类。

And so barred owls have been able to basically drive spotted owls out of their preferred nesting areas.

因此，横斑林鸮能将北方斑点鸮赶出它们喜欢的筑巢地点。

" And the big question was: What is the size of the barred owl population there, and how fast is it growing? "

“重要的问题是：那里的横斑林鸮数量有多少，增长速度有多快？”