The species of animals protected in Kaziranga sanctuary is Rhinoceros unicornis.

Kaziranga National Park is a renowned wildlife sanctuary located in the state of Assam, India. It was established in 1908 and is recognized as a UNESCO World Heritage Site. The park is primarily known for its population of the Indian one-horned rhinoceros (Rhinoceros unicornis), which is the correct answer to the given question.

Why is Rhinoceros unicornis protected in Kaziranga sanctuary?

The Indian one-horned rhinoceros is an endangered species, and Kaziranga National Park provides a safe haven for their conservation. Here are some reasons why this species is protected in the sanctuary:

1. Endangered status: The Indian one-horned rhinoceros is listed as an endangered species by the International Union for Conservation of Nature (IUCN). Their population has drastically declined due to habitat loss, poaching, and illegal wildlife trade.

2. Natural habitat: Kaziranga National Park is one of the few places in the world where the rhinoceros can thrive in its natural habitat. The park covers an area of approximately 430 square kilometers and consists of grasslands, wetlands, and woodlands, providing an ideal environment for these animals.

3. Conservation efforts: The park authorities, along with various conservation organizations, have implemented rigorous measures to protect the Indian one-horned rhinoceros. These efforts include anti-poaching patrols, habitat management, and community involvement in conservation activities.

4. Successful breeding program: Kaziranga has been successful in breeding the Indian one-horned rhinoceros in captivity. The park has a dedicated breeding center where rhinos are bred to increase their population and subsequently reintroduced into the wild.

5. Ecological importance: The Indian one-horned rhinoceros plays a vital role in the ecosystem of Kaziranga National Park. Their grazing habits help maintain the grasslands, which in turn supports a diverse range of herbivores and carnivores.

6. Tourism and revenue generation: The presence of the Indian one-horned rhinoceros in Kaziranga National Park attracts a significant number of tourists. This boosts the local economy and generates revenue, which can be utilized for further conservation efforts.

In conclusion, the species of animals protected in Kaziranga sanctuary is the Indian one-horned rhinoceros (Rhinoceros unicornis). The sanctuary serves as a crucial habitat for the conservation and protection of this endangered species through various conservation measures and breeding programs.