Indian Roller (Coracias benghalensis) is the state bird in Karnataka, Bihar, Orissa and Andhra Pradesh. Also known as "Nilkanth" or "Sabzak" in Hindi Language and Bhadabhadalia" in Oriya Language.
Indian Roller is very unique in its flight style. It has a variety of loud raucous calls and is particularly noisy and demonstrative during its aerial courtship display. During courtship the male exhibits a series of attractive aerobatics like circus. Blue jays or rollers get their name from the magnificent tumbling and rolling flight. They rocket into the air, somersaulting, rolling from side to side to the accompaniment of horsh grating screams and nose-diving with his brilliant plumage flashing in the sun. The rollers' acrobatic skill is also shown when they chase other birds that come near their nests.