It was drinking sugar-water from the feeder.
(Clips from a movie)
This female had hit the window and was a little stunned, but not hurt. She gathered herself quickly and flew off quite well.
We have about 50 Rubies come to our feeders during the summer, almost daily.
Species-diverse Hardwood Bottomland Forest,
5mi east of the Mississippi river in southwestern-most Tennessee
Observed in butterfly garden, no photo.
The Ruby-throated Hummingbird (Archilochus colubris) is a species of hummingbird.