Richard,

Another good owl grove is the exotic conifer patch just south of the
entrance to the boat launch parking lot off the Redmond-Issaquah highway (or
whatever it's called), ne corner of Lake Sammamish State Park. I've seen
Barn Owls in there in years past and, I must check my records, maybe years
ago also a Long-eared.

Gene Hunn.

PS: I take it, no Swamp Sparrows?