There's also bats who have much more flight control than birds. Since they have a hand in their wing which is covered with skin and muscle, they have a large amount of additional control over birds. Here's a great video of a study.
I don’t understand the weird arguments going on here. Hovering means to stay in one place in the air. It says nothing about air speed. Ground is the only reference needed for “in place”.
Are you "standing still" if you're sprinting at full pace, out of breath, heart pounding, but feet slipping on an icy slope so you have ground speed zero?
saying something can hover usually implies that it can have a ground speed of 0 at an air speed of 0. If you leave out the air speed requirement then anything that can fly can hover
That doesn’t make sense. If something only hovers at air speed zero along with ground speed zero, then as soon as any wind whatsoever picks up, then that something is no longer hovering by your definition, even if it maintains the same place in the air. Hovering means to stay in the same place in the air. It doesn’t say anything about air speed, which is the delta between wind speed and ground speed.
https://youtu.be/BNNAxCuaYoc
And there's kestrels hovering. I have also seen hawks do this.
https://youtu.be/7j6OsP7zL6w
https://youtu.be/mDRcLAkRZ50
Edit: Now I've gotten on a YouTube binge and landed on New Zealand keas, which I didn't know about before. And damn are those birds intelligent.