Here are some of the fauna species found in Jim Corbett National Park:

1. Bengal Tiger
2. Leopard
3. Indian Elephant
4. Himalayan Black Bear
5. Sloth Bear
6. Sambar Deer
7. Spotted Deer
8. Barking Deer
9. Hog Deer
10. Indian Muntjac
11. Wild Boar
12. Gharial (crocodile)
13. Mugger Crocodile
14. Python
15. King Cobra
16. Common Krait
17. Indian Cobra
18. Monitor Lizard
19. Indian Pangolin
20. Langur
21. Rhesus Macaque
22. Indian Civet
23. Himalayan Palm Civet
24. Jungle Cat
25. Fishing Cat
26. Golden Jackal
27. Indian Gray Mongoose
28. Indian Otter
29. Himalayan Weasel
30. Blacknaped Hare.

Jim Corbett National Park is known for its diverse and rich wildlife. Here are some of the fauna you can find in the park:

1. Bengal Tiger: Jim Corbett National Park is known for its population of Bengal Tigers, which is one of the main attractions of the park. The park is home to around 200 tigers.
2. Asian Elephant: The park has a significant population of Asian Elephants, which can be spotted in different parts of the park.
3. Indian Leopard: The Indian Leopard is another big cat species that can be found in the park. They are elusive and difficult to spot, but they are present in good numbers.
4. Sloth Bear: The park is also home to the Sloth Bear, which is a shaggy-haired, nocturnal animal found in the hilly regions of the park.
5. Himalayan Black Bear: The Himalayan Black Bear is another species of bear found in the park. They are mainly found in the hilly regions of the park.
6. Spotted Deer: The Spotted Deer, also known as Chital, is a common sight in the park. They are usually seen grazing in the grasslands.
7. Sambar Deer: The Sambar Deer is the largest species of deer found in the park. They are found in the dense forests of the park.
8. Wild Boar: The Wild Boar is a common sight in the park, and they can be seen foraging in the grasslands.
9. Indian Pangolin: The Indian Pangolin is a scaly anteater found in the park. They are nocturnal and difficult to spot.
10. Gharial: The Gharial is a large crocodile found in the rivers of the park. They are critically endangered and are protected by the park authorities.