The state bird of Karnataka:

The correct answer is: B) Indian Roller

The Indian roller is a large, brightly colored bird found in open country and scrubland across the Indian subcontinent. It is the state bird of Karnataka.

The Indian roller is a member of the roller family, Coraciidae, which also includes the European roller and the Eurasian hoopoe. Rollers are medium-sized birds with long tails and short legs. They are brightly colored, with blue, green, and purple plumage.

The Indian roller is a noisy bird, with a loud, piercing call. It is a common bird, and is not considered to be at risk of extinction.

The other options are incorrect:

• Peacock: The peacock is the national bird of India, but it is not the state bird of Karnataka.
• Hornbill: The hornbill is a large, horn-billed bird found in forests across Africa and Asia. It is not the state bird of Karnataka.
• Kingfisher: The kingfisher is a small, brightly colored bird found near water. It is not the state bird of Karnataka.