Lin - Guess what? I saw a female Ruby-throated hummer today using some of my nectar plants. I had thought over the past month that I had on occasion heard a hummer zip by me, but I haven't seen a hummer in summer since 2011. I did though have one visiting regularly every afternoon before dusk a couple of years before, but no hummers in summer since. Any females you or I are seeing here in Florida would likely be nesting females raising young. Looks like I am going to have to put a feeder out for her!
And I have not seen a female hummer since 2011, so I am rather thrilled to know there is one around this summer using my flowers!
