Which one of the following Indian birds is a highly endangered species ?

The correct answer is (b), Great Indian Bustard.

The Great Indian Bustard is a large, flightless bird that is native to the Indian subcontinent. It is the largest bird in India and is considered to be one of the most endangered birds in the world. The Great Indian Bustard is threatened by habitat loss, hunting, and collisions with vehicles.

The Golden Oriole is a small, brightly colored bird that is found in Europe, Asia, and Africa. It is not considered to be an endangered species.

The Indian Famail Pigeon is a small, brown pigeon that is found in India and Sri Lanka. It is not considered to be an endangered species.

The Indian Sunbird is a small, colorful bird that is found in India, Sri Lanka, and Southeast Asia. It is not considered to be an endangered species.

Here are some additional information about the Great Indian Bustard:

• The Great Indian Bustard is a member of the bustard family, Otididae.
• It is the largest bird in India, with a wingspan of up to 2.5 meters and a weight of up to 18 kilograms.
• The Great Indian Bustard is a ground-dwelling bird that inhabits open grasslands, savannas, and scrub forests.
• It is a herbivore that feeds on seeds, fruits, and insects.
• The Great Indian Bustard is a monogamous bird that pairs for life.
• The breeding season is from March to May.
• The female lays 2-3 eggs in a ground nest.
• The eggs hatch after about 28 days.
• The chicks are altricial, meaning that they are born helpless and require parental care.
• The young birds fledge after about 6 weeks.
• The Great Indian Bustard is a long-lived bird with a lifespan of up to 20 years.
• The Great Indian Bustard is considered to be one of the most endangered birds in the world.
• The main threats to the Great Indian Bustard are habitat loss, hunting, and collisions with vehicles.
• The Great Indian Bustard is listed as “Critically Endangered” on the IUCN Red List of Threatened Species.
• There are a number of conservation efforts underway to protect the Great Indian Bustard.
• These efforts include habitat protection, captive breeding, and public awareness campaigns.