[…] occasionally a flap-skitter duck, making up his mind to go a-visiting, gave himself over to the serious business of flight. Flap-flap-flap, skitter, skitter, skitter, went he, taxi-ing along like an underpowered airplane, leaving behind him incredible churnings of wake.

Coordinate term: third cover

Him at the threshold met, and well did enterprize.

mental telepathy