As students, we read Zdeněk Veselovský's book ‘Voices of the Jungle’ describing his stay in Kaziranga National Park. In addition to numerous interesting facts about wildlife bionomics, the reader will find a number of notes on nature conservation half a century ago. A very valuable article on the simplest problems of biodiversity management in this Assam park was published by Douglas Chadwick in National Geographic (2010). With some worries but also hopes, we visited this area in March 2019. However, the experience exceeded our expectations, despite many problems that persist in the national park. After all, over a hundred of the symbolic Indian rhinoceros (Rhinoceros unicornis) have been poached in Kaziranga in the last ten years, and the population around the park has grown by a third.