Use a combination of camera settings and posture to help keep up with birds in flight
1 Set focus Use your camera’s continuous AF mode, AF-C (Nikon)/AI Servo (Canon) to keep focus on a moving subject.
2 Keep stable Put one foot in front of the other and point your trailing foot to the side. Pan by twisting at the waist.
3 Select mode Use your camera’s continuous burst mode to take a sequence of shots by keeping your finger on the shutter while panning.