(Dusk contributed to the low light and I couldn't help much.. :-( )
As the name denotes, Kingfishers feed mainly on Fish, apart from enjoying quick-bites like crustaceans and large aquatic insects such as dragonfly larvae.
Expert hunter / fisher, hovering over the water to detect prey and diving vertically down to capture fish. When not in active fishing mode, they have a straight rapid flight, as fast as 32 mph
Info Source: Wikipedia