Date: 4/15/18 1:20 pm From: Steve Johnson via VA-bird <va-bird...> Subject: [VA-bird] recent research on hummingbird courtship flights
This may be off-limital here. If it is egregiously so, I would welcome some caution or redirection.
This article appears at pop news web site, but cites a recent paper in *Current Biology*. So it sounds "legit". Some cool recent research on male hummingbirds modulating the sound of their flight feathers during display flights.