Bihar attracts birdwatchers due to its diverse avifauna, including species like:

Sarus cranes, peafowl, and storks
Vultures, eagles, and owls
Parrots, kingfishers, and hornbills
All of the above

The correct answer is: d) All of the above

Bihar is a state in eastern India with a rich biodiversity. It is home to a variety of birds, including sarus cranes, peafowl, storks, vultures, eagles, owls, parrots, kingfishers, and hornbills. These birds can be found in a variety of habitats, including forests, wetlands, and grasslands.

Sarus cranes are the tallest flying birds in the world. They are found in open grasslands and wetlands. Peafowl are known for their beautiful plumage. They are found in forests and grasslands. Storks are large birds with long necks and legs. They are found in wetlands and near water bodies. Vultures are large birds with bald heads and necks. They are found in open areas and near carcasses. Eagles are large birds of prey. They are found in forests and mountains. Owls are nocturnal birds of prey. They are found in forests and grasslands. Parrots are colorful birds with curved beaks. They are found in forests and woodlands. Kingfishers are small birds with long beaks. They are found near water bodies. Hornbills are large birds with long bills and casques. They are found in forests.

Birdwatching is a popular activity in Bihar. There are many birdwatching spots in the state, including the Sanjay Gandhi Biological Park, the Valmiki Tiger Reserve, and the Son River. Birdwatchers can see a variety of birds in these places.

If you are interested in birdwatching, Bihar is a great place to visit. You can see a variety of birds in their natural habitat.