Rocks, Ring-billed Gulls, and hey, a Killdeer! (You can’t see the rats inside the rocks, but when they scurry around in broad daylight, you know the tubular rodents are all over; suckers have always loved waterfronts.)
Bush Terminal Park had breeding Killdeer last year.
Backyard and Beyond 
Killdeer are a commonplace, parking lot bird out here. Still kind of exotic when I see/hear them.