This bird builds tunnel-like nests deep into mud banks. They feed primarily fish. These birds are brightly colored. They have large heads, long sharp, pointed bills, short legs and stubby tails. What are these birds called ?

Question

$\begin{array}{1 1} (a)\; Kingfisher \\ (b)\; Phoenix \\ (c)\; Parrot \\ (d)\; Gulls \end{array}$