Swarms Of Hummingbirds

We were noticing some hummingbirds, so we put up a few more feeders and they came out in droves! They look like a swarm of insects and are not at all shy. We have seen about 15 at a time flying around out there. We are all laughing because they don't seem as pretty when they are all buzzing around like that, they look kind of scary, like a group of wasps, but then one stops and looks at you and you can see how pretty it is. We will be so sad to see them go, but at least we will have a few more weeks with them.