A young barn owl is released to the wild after being rehabilitated at PAWS wildlife center in Lynnwood WA. In the video the owl will display the behavior of “toe dusting” Toe dusting is often done in conjunction with "mantling", and it involves the owls dropping their heads toward the ground and swishing them back and forth quickly.
The combined activities are meant to deter a potential predator from coming any closer, and the impressive wing spread combined with the bizarre movements really can be intimidating.