6 or more hummingbirds together is a herd, right?
Or, is it a swarm?
Perhaps it depends on whether they're hanging around your backyard watering hole, or going for your face. Here's 6 seconds of the six, with sound, and in full HD, from a new cam trap:
And here's a few more fun still photos of the little characters enjoying my fountain. I caught these last summer while testing other new cam traps: