Acknowledgements
We thank Indian Institute of Science Education and Research, Pune and the Principal Chief Conservator of Forests/Chief Wildlife Warden of West Bengal for granting permission (Memo no: 3067/WL/4R-26/2022) to conduct this study. We are grateful to the tea garden managements and the night guards of Devpara, Chunabhati, Bharnobari, and Majherdabri for the timely intimation and cooperation regarding the calf death incidents. We are equally obliged to the divisional forest officers of Jalpaiguri division and Gorumara wildlife division, forest range officers of Binnaguri, Hamiltonganj, and Majherdabri ranges, and the support staff who have contributed efficiently to the production of this behavioural study. We thank the veterinary officers of Gorumara wildlife division and Buxa tiger reserve for their detailed investigation concerning the calf deaths. We also thank Suraj Kumar Dash of Wildlife Institute of India for his support in preparing the map.