A community-based ecotourism initiative in Nagaland focuses on the conservation of:

Amur Falcons
Hornbills
Mithuns
Tigers

The correct answer is (a) Amur Falcons.

Amur Falcons are migratory birds that travel from Siberia to Africa every year. They stop in Nagaland, India, to rest and refuel during their journey. The Amur Falcon Conservation Society (AFCS) is a community-based ecotourism initiative that works to protect the Amur Falcons and their habitat in Nagaland. The AFCS provides education and training to local communities on the importance of conservation, and they also work to reduce human-wildlife conflict.

Hornbills are a family of birds that are found in Africa, Asia, and Australia. They are known for their large, colorful beaks. Hornbills are an important part of the ecosystem, and they play a role in seed dispersal and pollination. However, hornbills are threatened by habitat loss and hunting. The Hornbill Conservation Foundation (HCF) is a non-profit organization that works to protect hornbills and their habitat. The HCF conducts research on hornbills, and they also work to raise awareness about the threats facing hornbills.

Mithuns are a type of wild cattle that are found in the Himalayas. They are an important part of the culture and economy of the people who live in the Himalayas. Mithuns are threatened by habitat loss and hunting. The Mithun Conservation Foundation (MCF) is a non-profit organization that works to protect mithuns and their habitat. The MCF conducts research on mithuns, and they also work to raise awareness about the threats facing mithuns.

Tigers are the largest cats in the world. They are found in Asia, and they are an important part of the ecosystem. Tigers are threatened by habitat loss, poaching, and the illegal wildlife trade. The Tiger Conservation Foundation (TCF) is a non-profit organization that works to protect tigers and their habitat. The TCF conducts research on tigers, and they also work to raise awareness about the threats facing tigers.