With an eye-spot in place, its no guarantee that flying birds can be tracked by the camera sensors. Not the best but the Sony A1 sensor gives a reasonable response.
Oriental Honey Buzzard, Black-naped Oriole, Collared Kf
Blue-tailed Bee-eater, Black-winged Kite, Changeable Hawk
Black-winged Kite, Barn Swallow, Japanese Sparrowhawk
White-bellied Sea Eagle, Blue-tailed Bee-eater
Crested Goshawk, Crane