This video from the USA says about itself:
Broad-tailed Hummingbird Hovers Over Nectar Port – August 25, 2017
Broad-tailed Hummingbirds beat their wings up to 50 times per second when hovering to feed! Watch this male hover above the feeder and dip his bill into the nectar port with precision.
Watch live at http://allaboutbirds.org/texashummers for more information about hummingbirds and highlights from the feeders. …
The West Texas Hummingbird Feeder Cam is nestled in the mountains outside Fort Davis, Texas, at an elevation of over 6200 feet. This site hosts a total of 24 Perky Pet Grand Master hummingbird feeders, and during peak migration can attract hundreds of hummingbirds from a dozen species that are migrating through the arid mountains.