Avian Visitor

It's been a while since we've had a backyard bird post...there haven't been nearly as many birds in our yard this year, for some reason (boo!).

I think this is a mockingbird (white bands under wings?), but I'm not sure. It was making one call, a loud short "chirrup" sound, not the crazy serenades we think of when we think "mockingbird." Perhaps this is a female?