Crow attacking Great Horned Owl

The mobster. by Jim Neiger
Runner-up in Behavior:Birds category of The Veolia Environnement Wildlife Photographer of the Year contest
Owls get mobbed by crows frequently, but you don't often see the crow hitting the owl. Looks like he is attempting to land and hitch a ride. Apparently, the owl was unfazed, continued flying and shook off the the whole incident.
Speaking of hitching a ride:





Comments
Piggy back
It looks like the space shuttle pix, ferried around on a larger vehicle. Is that a crow or a raven? It looks massive in context with the owl.