Watching birds, tiger, rhinoceros, deer and crocodiles by riding on elephant are main features of Chitwan National Park in the middle part of Nepal. Also there are other two national parks one in the east named as Koshi-Tappu wildlife reserve where you can see wild buffaloes swimming in the sapta koshi river and Dolphin. And the other is in the west called Bardiya national park where you can see the largest flock of deer ever you have seen.