Correct Answer: Nicobar pigeon

Solution : The correct option is Nicobar pigeon.

The Nicobar pigeon is considered an endemic species. It is native to the Nicobar Islands in the Indian Ocean. Endemic species are those that are found in a specific geographic location and nowhere else in the world. In the case of the Nicobar pigeon, its natural habitat is restricted to the Nicobar Islands, making it an endemic species to that particular region.

The Nicobar has a metallic green and coppery sheen on its feathers, along with white patches on the wings. The tail is long and has distinct white markings. It is one of the most beautiful and distinctive species of pigeons.