This Blue Bird transports breakfast on the fly.
Canon 5D Mark III with the 500L f4 lens with the 1.4 Extender II on tripod @ 1/1000, f5.6, +2/3 exposure compensation, ISO 400.
This is an early morning shot, with the greens of a background treeline very saturated.
This is a 50% crop - not easy to get them on the fly in focus if too close with a long telephoto lens. The longer the lens, the less depth of field therefore the less chance of a decent focus even if you do manage to get the full bird in the frame. That is why I tend to keep a little further back and crop in.
Cheers,
Mike