Funding: This study is a part of the research project funded by Central Zoo Authority, New Delhi.Competing Interest: Authors declare no competing interests.Author Details: R.K. Mohapatra is working as Junior Research Fellow; has registered for his PhD in Utkal University, Odisha with an objective to understand behavioural patterns, space utilization, reproductive biology, haematology, effect of environmental enrichment and identification of ecto-and endo-parasites of captive Indian pangolins which will be ultimately helpful in captive management and breeding of the species. Dr. S. Panda is currently working as Director, Nandankanan Biological Park, Odisha. He is the project investigator of the research project. He has co-authored 7 books and 30 research papers in the field of wildlife and biodiversity. His research interest includes wildlife conservation, in-situ and ex-situ management of wildlife and biodiversity studies.Author Contribution: Both authors conceived the study, participated in its design and coordination. RKM contributed in behavioural data collection, data analysis, review of literature and in drafting the manuscript. Both authors contributed to revision of the manuscript and approved the final manuscript.
Acknowledgements:The authors wish to extend their sincere thanks to the Central Zoo Authority, New Delhi for their financial support in undertaking the research work in Pangolin Conservation Breeding Center at Nandankanan Zoological Park, Odisha, India.
Abstract:The study presents data on six Indian Pangolins Manis crassicaudata observed in captivity at the Pangolin Conservation Breeding Centre, Nandankanan, Odisha, India over 1377 hours of video recordings for each pangolin between 1500hr and 0800hr on 81 consecutive observational days. Video recordings were made through digital systems assisted by infrared enabled CCTV cameras. The data highlights patterns relate to 12 different behaviour and enclosure utilization. Different interval periods for sampling of instantaneous behaviour from video recordings have been evaluated to develop optimal study methods for the future. The activity budgets of pangolins displayed natural patterns of nocturnal activity with a peak between 20:00-21:00 hr. When out of their burrow, they spent about 59% of the time walking in the enclosure, and 14% of the time feeding. The repeatability of the behaviours has a significant negative correlation with the mean time spent in that behaviour. Focal behavioural samples significantly correlated with instantaneous samples up to 15 minutes interval.The correlation values gradually decreased with the increase in sampling interval. The results indicate that results obtained from focal sampling and instantaneous sampling with relatively shorter intervals (≤5 minutes) are about equally reliable. The study suggests use of focal sampling, instead of instantaneous sampling to record behaviour relating to social interactions.